Need help with turn signal flasher
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Need help with turn signal flasher
I have a 1984 Firebird. The turn signals all light and I've replaced some of the bulbs, but they only blink with the hazards, not the turn signal. I went to the convenience center in the car and noticed there was NO flasher module. I got an OEM from the local Pontiac dealer, put it in, but the signals still don't blink. They come on, but don't blink.
Could I be LUCKY enough to have gotten a bad flasher? Is there a way to test the flasher to see if it is faulty.
PLEASE HELP!
Chris
Could I be LUCKY enough to have gotten a bad flasher? Is there a way to test the flasher to see if it is faulty.
PLEASE HELP!
Chris
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Re: Need help with turn signal flasher
Should have two flashers. One for turn signals, other for emergency flashers.
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Re: Need help with turn signal flasher
Chris
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Re: Need help with turn signal flasher
Sounds like you replaced the "emergency" flasher, not the "turn signal" flasher. Same style flashers/same parts numbers.
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Re: Need help with turn signal flasher
Turn signal flasher - 10041073
Emergency Hazards flasher - 6450089
(I have the original GM parts and illustration catalog)
Chris
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Re: Need help with turn signal flasher
There are two flashers. One is in the fuse block (emergency), the other is by the steering column (turn signal).
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Re: Need help with turn signal flasher
Now, I just need to know if there is a way to check a flasher...12 Volts to one of the legs, then the other leg to a contact on a bulb, then back to ground? Does that work?
Chris
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Re: Need help with turn signal flasher
Chris
You have the test circuit correct. 12 Volts into the power side, test lamp to ground on the other side. If the test lamp flashes, the turn signal flasher works correctly.
In the Camaros, the hazard flasher was mounted in the continence center, and the turn signal flasher was mounted in a C clamp just above the continence center, on the steering wheel side. For grins, just check there and see if there is a flasher module mounted there also. If there is one there, remove and replace it and try the lights again. I have a Camaro, so I could be off base here. Usually when all four corners light up and don't flash the flasher is bad.
Maybe you got a bad flasher from the parts store.
I will have to post some other thins to test tomorrow. I have to think about it a bit. You might want to explore around the base of the steering column. You should find a connector and the Turn/Hazard switch there.
Dave
You have the test circuit correct. 12 Volts into the power side, test lamp to ground on the other side. If the test lamp flashes, the turn signal flasher works correctly.
In the Camaros, the hazard flasher was mounted in the continence center, and the turn signal flasher was mounted in a C clamp just above the continence center, on the steering wheel side. For grins, just check there and see if there is a flasher module mounted there also. If there is one there, remove and replace it and try the lights again. I have a Camaro, so I could be off base here. Usually when all four corners light up and don't flash the flasher is bad.
Maybe you got a bad flasher from the parts store.
I will have to post some other thins to test tomorrow. I have to think about it a bit. You might want to explore around the base of the steering column. You should find a connector and the Turn/Hazard switch there.
Dave
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Re: Need help with turn signal flasher
Dave,
Thanks! I checked above the convenience center and it's an empty cavity. Also, nothing around the steering column. I have the entire interior out of the car, except for the dash, so I have a pretty clear shot at almost everything.
I'll try testing the flasher with an extra bulb I have from the car and see if it works. Any way to tell which is the + and which is the - side of the flasher?
Chris
Thanks! I checked above the convenience center and it's an empty cavity. Also, nothing around the steering column. I have the entire interior out of the car, except for the dash, so I have a pretty clear shot at almost everything.
I'll try testing the flasher with an extra bulb I have from the car and see if it works. Any way to tell which is the + and which is the - side of the flasher?
Chris
Chris
You have the test circuit correct. 12 Volts into the power side, test lamp to ground on the other side. If the test lamp flashes, the turn signal flasher works correctly.
In the Camaros, the hazard flasher was mounted in the continence center, and the turn signal flasher was mounted in a C clamp just above the continence center, on the steering wheel side. For grins, just check there and see if there is a flasher module mounted there also. If there is one there, remove and replace it and try the lights again. I have a Camaro, so I could be off base here. Usually when all four corners light up and don't flash the flasher is bad.
Maybe you got a bad flasher from the parts store.
I will have to post some other thins to test tomorrow. I have to think about it a bit. You might want to explore around the base of the steering column. You should find a connector and the Turn/Hazard switch there.
Dave
You have the test circuit correct. 12 Volts into the power side, test lamp to ground on the other side. If the test lamp flashes, the turn signal flasher works correctly.
In the Camaros, the hazard flasher was mounted in the continence center, and the turn signal flasher was mounted in a C clamp just above the continence center, on the steering wheel side. For grins, just check there and see if there is a flasher module mounted there also. If there is one there, remove and replace it and try the lights again. I have a Camaro, so I could be off base here. Usually when all four corners light up and don't flash the flasher is bad.
Maybe you got a bad flasher from the parts store.
I will have to post some other thins to test tomorrow. I have to think about it a bit. You might want to explore around the base of the steering column. You should find a connector and the Turn/Hazard switch there.
Dave
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Re: Need help with turn signal flasher
Dave,
Thanks! I checked above the convenience center and it's an empty cavity. Also, nothing around the steering column. I have the entire interior out of the car, except for the dash, so I have a pretty clear shot at almost everything.
I'll try testing the flasher with an extra bulb I have from the car and see if it works. Any way to tell which is the + and which is the - side of the flasher?
Thanks! I checked above the convenience center and it's an empty cavity. Also, nothing around the steering column. I have the entire interior out of the car, except for the dash, so I have a pretty clear shot at almost everything.
I'll try testing the flasher with an extra bulb I have from the car and see if it works. Any way to tell which is the + and which is the - side of the flasher?
Base on a few pictures of aftermarket flashers, both terminals of the flasher should be marked. Look at the base of the flasher. Do you see an X next to one terminal and an L next to the other? If so, the X is the side that goes to the fuse and the L is the side that goes to the lights. If not can you post a few pictures. It should be marked, either on the top, sides or bottom.
Sorry, I don't have quick access to mine. I would have to remove the trim panel and pull the flasher.
Next, I was incorrect as to where the turn signal/hazard switch was. It is actually mounted in the steering column, where the flasher button and turn signal stalk are.
However, based on the Camaro wiring, you should find a connector near the base of the column. Take a look at this thread...
https://www.thirdgen.org/forums/elec...lp-please.html
In message #5, the second picture shows the base of the steering column. The WHITE connector under the column, connect to wires running up the column is for the wiper controls. The BLACK connector to the right of it is the connector for the turn signal/hazard lights and connections to the flashers for both circuits. You can see a bunch of wires from this connector turning up the steering column, under the wiper wires. That part of the circuit goes to the turn signal/hazard switch. The other side of the connector has a PPL (purple) and a BRN (brown) wire that go to the flashers. PPL goes to the turn siganl flasher and BRN goes to the hazard flasher. All the other wires on that side of the connector go to the front and rear lights.
Also take a look at message #16. There is a wiring diagram for both flasher circuits. This diagram does not show teh internal connections for the turn siganl/hazard switch nor the BLACK connector referenced above. Note however that the poster's car is an 88 Firebird. The turn signal and hazard flasher wiring also looks the same as the diagram in my 82 Camaro Service manual. Note also in the wiring diagram where tremianl L is on the turn signal switch, the load or light side of the flasher.
In the Haynes Manual, it offers the following advice
"If the thur signals fail on one side only and the flasher unit cannot be heard, a faulty bulb is indicated. If the flasher unit can be heard, a short in the wiring is indicated."
"If the turn signal fails on both sides, the problem may be due to a blown fuse, faulty flasher unit or switch, or a borken or loose connection"
You might also want to search the web for turn signal flasher operation. You will find a few links that have a good explination. Note that you have an electromechanical flasher, not a newer electronic one.
Now, I wonder if you can restate what you think the problem is and what symptoms you noted, given the follwoing:
1. If your turn siganl flasher was originally missing, how the turn lights come on? With reference to the wiring diagram above, if the flasher is removed from the circuit, there is no power source for the lights.
2. After you put the new flasher in, what turn lights actually came on? All as in all four corners of the car? Or all is in the front turn/park lamp and fron side marker, and the rear turn lamp for the side you were trying to signal?
The only way all four corners shoud be on in these cars is if one side of the turn signal switch is borken such that its contact is always closed. But if the turn signal swich is borken this way, the flasher lights on that side of teh car will always be on when the ignition is on.
So I am a bit confused as your original description of the problem does not match with my understanding of how the circuts work based on the wiring diagram.
Dave
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Re: Need help with turn signal flasher
WOW, Dave, thanks for that great response and trying so diligently to help me.
1-Good question! I have asked this myself. Doesn't taking the flasher out open the circuit? How can the bulbs light if the flasher is missing? I don' understand it either.
2-The correct lights come on when you put on the directionals...stalk up and the right side two tail lights and right side front signal light come on steady, stalk down and the left two tail lights and left side front signal light come on steady. And it doesn't matter if I have the flasher in or not.
So you see, except for the fact that it doesn't matter if I have the flasher in or not, the car behaves correctly, except the signals don't blink. But the hazards do.
This tells us that the wiring and switches are all ok. The only thing I can think of is:
1-Short in the convenience center closing the circuit where the flasher goes or
2-There is another flasher somewhere else that isn't working...but why is there an empty space in the convenience center?
3-As a safety measure, if there is no flasher, the circuit is closed until the spades of the flasher are put in. The prongs open the circuit into the flasher.
Chris
1-Good question! I have asked this myself. Doesn't taking the flasher out open the circuit? How can the bulbs light if the flasher is missing? I don' understand it either.
2-The correct lights come on when you put on the directionals...stalk up and the right side two tail lights and right side front signal light come on steady, stalk down and the left two tail lights and left side front signal light come on steady. And it doesn't matter if I have the flasher in or not.
So you see, except for the fact that it doesn't matter if I have the flasher in or not, the car behaves correctly, except the signals don't blink. But the hazards do.
This tells us that the wiring and switches are all ok. The only thing I can think of is:
1-Short in the convenience center closing the circuit where the flasher goes or
2-There is another flasher somewhere else that isn't working...but why is there an empty space in the convenience center?
3-As a safety measure, if there is no flasher, the circuit is closed until the spades of the flasher are put in. The prongs open the circuit into the flasher.
Chris
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Re: Need help with turn signal flasher
Dave, Dave, Dave, Dave, Dave!
I FIXED IT! Here's what you said a couple of days ago...
"In the Camaros, the hazard flasher was mounted in the continence center, and the turn signal flasher was mounted in a C clamp just above the continence center, on the steering wheel side. For grins, just check there and see if there is a flasher module mounted there also. If there is one there, remove and replace it and try the lights again."
So, today, a bright and sunny day, I went digging and YUP!!!! Right where you said, in a C clamp, right under the tach, was the turn signal flasher!!! Why is there a place for it in the convenience center? I don't know! But, I replaced the flasher with the new one and, sure enough, the signals blink!!! YAY! What a pain!
At least now I can continue to put in my new carpet, panels, and put my car back together. Still have to re-upholster the seats, but that's another day.
Thanks again, sincerely, for all your help. You went above and beyond with your research and I really, really appreciate it.
Chris
I FIXED IT! Here's what you said a couple of days ago...
"In the Camaros, the hazard flasher was mounted in the continence center, and the turn signal flasher was mounted in a C clamp just above the continence center, on the steering wheel side. For grins, just check there and see if there is a flasher module mounted there also. If there is one there, remove and replace it and try the lights again."
So, today, a bright and sunny day, I went digging and YUP!!!! Right where you said, in a C clamp, right under the tach, was the turn signal flasher!!! Why is there a place for it in the convenience center? I don't know! But, I replaced the flasher with the new one and, sure enough, the signals blink!!! YAY! What a pain!
At least now I can continue to put in my new carpet, panels, and put my car back together. Still have to re-upholster the seats, but that's another day.
Thanks again, sincerely, for all your help. You went above and beyond with your research and I really, really appreciate it.
Chris
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Re: Need help with turn signal flasher
Chris
It is good news to hear that you poked around in all the wiring above and in the dash and found the turn signal flasher.
Now it sounds as if you have a bit of work to finish up the interior. Good luck with that work.
GM may have used that convenience center in several different car models, complete with different wiring harnesses. So it could be that in a different GM car the turn signal flasher was mounted in the convenience center.
Dave
It is good news to hear that you poked around in all the wiring above and in the dash and found the turn signal flasher.
Now it sounds as if you have a bit of work to finish up the interior. Good luck with that work.
GM may have used that convenience center in several different car models, complete with different wiring harnesses. So it could be that in a different GM car the turn signal flasher was mounted in the convenience center.
Dave
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Re: Need help with turn signal flasher
Chris
It is good news to hear that you poked around in all the wiring above and in the dash and found the turn signal flasher.
Now it sounds as if you have a bit of work to finish up the interior. Good luck with that work.
GM may have used that convenience center in several different car models, complete with different wiring harnesses. So it could be that in a different GM car the turn signal flasher was mounted in the convenience center.
Dave
It is good news to hear that you poked around in all the wiring above and in the dash and found the turn signal flasher.
Now it sounds as if you have a bit of work to finish up the interior. Good luck with that work.
GM may have used that convenience center in several different car models, complete with different wiring harnesses. So it could be that in a different GM car the turn signal flasher was mounted in the convenience center.
Dave
Yes, I'm changing my ugly grey painted black interior to the medium doeskin, so lots of work ahead of me. Thanks again for all your help.
Chris
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Re: Need help with turn signal flasher
Funny how it's not in ANY repair manual...
Chris
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Re: Need help with turn signal flasher
Thanks guys for this post. I have an 82 Camaro Z-28 and mine was on a clip above the convenience center on the steering column. I would never of found it if it were not for you guys. Pulled it out of the clip and could pull the wire down a little so I could get a hold on the plug, put in new flasher and they work once again. Thanks so much!
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Re: Need help with turn signal flasher
i hate bugging you guys but ive got an 88 camaro 2.8 coupe. the only problem its got is my hazards work inside and out but the turn signals dont. they dont light up or flash in or outta the car but the hazards do. the fuses are good anyone help please...
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Have You Tried RAID ?
Turn the ignition key to the RUN position.
Using a test light (the type for testing for voltage, not a continuity tester) to probe the purple wire going to the steering column connector.
(It’s the larger of the connectors located on the right side of the steering column.)
If there’s power there, turn the blinker to the left position, then probe the LIGHT blue wire at the same connector.
Is there power there?
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.
Using a test light (the type for testing for voltage, not a continuity tester) to probe the purple wire going to the steering column connector.
(It’s the larger of the connectors located on the right side of the steering column.)
If there’s power there, turn the blinker to the left position, then probe the LIGHT blue wire at the same connector.
Is there power there?
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Re: Need help with turn signal flasher
Chris
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Re: Need help with turn signal flasher
ah thanks guys i figured it out after rereading this post 3 or 4 times it was the flasher/relay as my dad kept calling it. i replaced it and bam they work.
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Re: Need help with turn signal flasher
I have a 1984 Firebird. The turn signals all light and I've replaced some of the bulbs, but they only blink with the hazards, not the turn signal. I went to the convenience center in the car and noticed there was NO flasher module. I got an OEM from the local Pontiac dealer, put it in, but the signals still don't blink. They come on, but don't blink.
Could I be LUCKY enough to have gotten a bad flasher? Is there a way to test the flasher to see if it is faulty.
PLEASE HELP!
Chris
Could I be LUCKY enough to have gotten a bad flasher? Is there a way to test the flasher to see if it is faulty.
PLEASE HELP!
Chris
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A Convenient Truth
The Convenience Center is located behind the knee bolster.
The Convenience Center contains a flasher among other parts help you identify it, and is to the right of the steering column.
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If You’re Passed By Your Own Tire On The Track, It’s Time For A Pit Stop
The Convenience Center contains a flasher among other parts help you identify it, and is to the right of the steering column.
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Happy Racing!
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If You’re Passed By Your Own Tire On The Track, It’s Time For A Pit Stop
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Re: A Convenient Truth
OK this drove me nuts for a few days. I'm used to the turn signal flasher being on the steering column in a c-clip. I now have THREE third gen camaros and I couldn't find the darn turn signal flasher to save my life. Until now. On my two 87 IROCs and the 88 RS I found it to be just above and toward the center of the car from the convenience center. Essentially right below the tach. Don't mistake it for the hazard signal flasher that is actually in the conv center. So here is a photo annotated as best I could do. In this pic the convenience center is hinged downward. I had to pull out the door chime alarm to get my hand up to access the turn signal flasher.
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Re: Need help with turn signal flasher
Hi everyone:
I have an 86 firebird that the turn signal lights don't work, they just stopped.
I replaced the relay (bought 2 so I have a spare) and checked all the fuses, Hazard lights work, brake lights work, tail lights work, parking lights work. green arrows on dash don't light up. ether right or left. but work for hazards.
don't know what to do now any help would be appriciated
Thanks
I have an 86 firebird that the turn signal lights don't work, they just stopped.
I replaced the relay (bought 2 so I have a spare) and checked all the fuses, Hazard lights work, brake lights work, tail lights work, parking lights work. green arrows on dash don't light up. ether right or left. but work for hazards.
don't know what to do now any help would be appriciated
Thanks
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Re: Need help with turn signal flasher
There's no relay.
Change the turn signal flasher.
1 post asking the same question everybody else has already asked and answered, is enough.
Change the turn signal flasher.
1 post asking the same question everybody else has already asked and answered, is enough.
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Re: Need help with turn signal flasher
Make sure you replaced the correct flasher. Mine isn't located where it says it should be in the manuals. Mine is under the tach, attached to the dash with a C clamp. Good luck!
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Car: 86 firebird TA
Engine: 305 4 bbl carb
Transmission: 5 speed
Re: Need help with turn signal flasher
Already replaced the flasher,
for hazards and turn signals looking at turn signal switch. sny advise in troubleshooting it
thanks
for hazards and turn signals looking at turn signal switch. sny advise in troubleshooting it
thanks
#33
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Car: Yes
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Re: Need help with turn signal flasher
With the key On, should be 12V on both of the turn signal flasher's wires. The blue one should stay at 12V when a blinker is turned on and the purple should "blink" about once a second. The purple wire goes to the TS sw harness; the wires going out to the bulbs from the sw are yellow & lt green for the rear lights and lt & dk blue for the front ones, if memory serves. The brake light wire going to the sw is white I think, you can look at the brake light sw to make sure, it's the other one besides the orange.
The TS sw can go bad (anything can of course) but rarely does. I don't think I've ever replaced one for failure in all my years of working with cars, only for damage to the wiring. If the brake lights work it's probably OK. Not hard or $$$ to replace though. Just make sure to pull a string or pull wire up the column when you pull the old harness out, to use to pull the new one back in.
The TS sw can go bad (anything can of course) but rarely does. I don't think I've ever replaced one for failure in all my years of working with cars, only for damage to the wiring. If the brake lights work it's probably OK. Not hard or $$$ to replace though. Just make sure to pull a string or pull wire up the column when you pull the old harness out, to use to pull the new one back in.
#35
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Car: 86 firebird TA
Engine: 305 4 bbl carb
Transmission: 5 speed
Re: Need help with turn signal flasher
Ok I have no powe on the purple wire at plug location L with the key on and no power ether side of the flasher (purple or dk blue wires) all fues are good.
how does the switch get power with the key on ? Which pins can I check to see that it is getting power I dont see were it come from on the wire diagram
thanks
how does the switch get power with the key on ? Which pins can I check to see that it is getting power I dont see were it come from on the wire diagram
thanks
#36
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Re: Need help with turn signal flasher
From the ign sw, via the dk blue wire.
You say "fuses are good"; how do you know this? Have you replaced the TS one? Do the backup lights work? (same fuse)
Do the gauges work?
You say "fuses are good"; how do you know this? Have you replaced the TS one? Do the backup lights work? (same fuse)
Do the gauges work?
#37
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Car: 86 firebird TA
Engine: 305 4 bbl carb
Transmission: 5 speed
Re: Need help with turn signal flasher
Hey guys I figured it out, turns out no power was flowing through to the purple wire. I traces it back with ohm meter to the fuse box and found it broke off on the back side of the swiched 20amp fuse. Thats why doing a continuity test of the fuse seemed good. Ince I reconnected it to the fuse block turn signals worked.
Thanks everyone for your help all the advice helped me solve this issue.
thanks also sofakingdom you post about power on the wires lead me to the solution
Thanks everyone for your help all the advice helped me solve this issue.
thanks also sofakingdom you post about power on the wires lead me to the solution
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Tidan (02-08-2021)
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