Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

NOW IGNITION PROBELMS

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Old Oct 4, 2009 | 10:41 AM
  #1  
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NOW IGNITION PROBELMS

IS THERE ANY WAY U CAN REWIRE THE STARTER SO I CAN USE A TOOGLE SWITCH OR BUTTON TO TURN OVER THE STARTER?
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Old Oct 4, 2009 | 11:15 AM
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From: Florida
Car: '87 Trans-Am
Engine: LB9 (305 TPI)
Transmission: 700R4
Axle/Gears: 3.42 or 3.73..figuring it out still
Re: NOW IGNITION PROBELMS

Yes, but it is not the right way to do it. You having VATS issues or did your ignition switch just take a dump? There is a purple wire that feeds the starter power when you turn over the ignition. You can wire power to a switch and that purple wire feed to the starter to engage the starter if you want. I would not use a toggle either, but rather a large heavy duty starter button if I were going to do it. Basically, your would be eliminating any security feature of the VATS. But, on a plus side, like we do on the race cars, it lets you turn the engine over without fuel and ignition to build oil pressure before you start...like after oil changes or something...or if you run a dry sump.
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Old Oct 4, 2009 | 11:22 AM
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Re: NOW IGNITION PROBELMS

idk whats going on with it it was a tbi motor and the priveious owner switched to carb and idk what im doing with wires and relays but it was running but lights didnt work and the guy who sold it to me came over and did somethin and lights worked just real dim so i figured batt was dead so i charged and now wont turn over he said he switched the two meteal fuses so i did the same and nothing so thats were im stuck right now can u help?
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Old Oct 4, 2009 | 12:19 PM
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From: Florida
Car: '87 Trans-Am
Engine: LB9 (305 TPI)
Transmission: 700R4
Axle/Gears: 3.42 or 3.73..figuring it out still
Re: NOW IGNITION PROBELMS

Still need more info. Does it try and turn over or click or when you turn the key, you get absolutely nothing? If the lights are on when you try and turn the key, do they dim or anything? Does it crank and just not start? It could be anything from the ignition switch to a bad solenoid on the starter...just need to narrow down where the power is getting stopped up. Start by seeing if you get power at the starter when you turn the key...either with a test light or multimeter. Work your way to the more difficult to test things ignition related.
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Old Oct 4, 2009 | 08:54 PM
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Re: NOW IGNITION PROBELMS

i get power to starter and dont think its tho starter or solinoid cause i accidently touched to two blots and it cranked and idk about the lights idk if they even work cause i thought it was the batt cause they were so dim but it has 12 v
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Old Oct 4, 2009 | 09:30 PM
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From: Florida
Car: '87 Trans-Am
Engine: LB9 (305 TPI)
Transmission: 700R4
Axle/Gears: 3.42 or 3.73..figuring it out still
Re: NOW IGNITION PROBELMS

Does it have the VATS? Security system that disables the starter?
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Old Oct 5, 2009 | 09:07 AM
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Re: NOW IGNITION PROBELMS

Originally Posted by CreepingDeath94
Does it have the VATS? Security system that disables the starter?
idk it dosnt have a chip in they like my 89 did if that means anything how else is there to tell if it does ? its drivin me crazy i have no idea what to do my project is dead stoped till i figure it out
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Old Oct 5, 2009 | 02:45 PM
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From: Florida
Car: '87 Trans-Am
Engine: LB9 (305 TPI)
Transmission: 700R4
Axle/Gears: 3.42 or 3.73..figuring it out still
Re: NOW IGNITION PROBELMS

What year, engine, TPI, TBI, etc. Some more info please. If it doesn't have the chip and it is earlier than '89 it probably is not VATS. You probably have another issue then. Did it turn over when you crank, just not start or does power go to the starter and it doesn't turn the engine over? Battery might be weak, but you really need a multimeter to check for voltage drop across the starer, wires, etc. You can trace wiring and make sure there is continuity, measure resistance, basically properly verify problems...right now it is just speculating. Shoot us year, engine, fuel delivery info. so it's easier to help diagnose also please.
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Old Oct 5, 2009 | 04:08 PM
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Re: NOW IGNITION PROBELMS

it desnt turn over i think it was a tbi but carb now its a 84 i went out and bought a 50 multimeter im gettin 7v at head lights and like 6 at tail lights so i checked fuses im only gettin like 6 to 7 v on all of my fuses shouldnt it be like 12 and i used a wire to the starter to get it started so dont think its a security system
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Old Oct 5, 2009 | 05:01 PM
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From: Florida
Car: '87 Trans-Am
Engine: LB9 (305 TPI)
Transmission: 700R4
Axle/Gears: 3.42 or 3.73..figuring it out still
Re: NOW IGNITION PROBELMS

How many volts at the battery...on the posts? It sounds like battery right now. If the battery itself has 12 volts, do a load test on it if you have access to a battery load tester. Also, check the resistance in the wire from the battery to the starter and post the ohms reading.
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Old Oct 5, 2009 | 05:20 PM
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Re: NOW IGNITION PROBELMS

its a new battery and yeah like 12.6v at post and it starts when i connect the neg and pos on starter u no that old trick... but my lights r dim so i checked them im gettin 7v to my lights and gettin 6v to all off my fuses if that narrows it down at all
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Old Oct 5, 2009 | 09:26 PM
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CreepingDeath94's Avatar
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From: Florida
Car: '87 Trans-Am
Engine: LB9 (305 TPI)
Transmission: 700R4
Axle/Gears: 3.42 or 3.73..figuring it out still
Re: NOW IGNITION PROBELMS

You have a connection/continuity problem in your wiring. Somewhere there is a voltage drop from the battery to the starter/rest of the wiring on the car. Start by checking all your wiring off the battery and work your way out from there. It could be corrosion or bad connections, but somewhere there is an issue with the good voltage getting from your battery to the rest of the car...lights/starter/etc. It's just going to take time and tedious inspection/testing of wiring from here.
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Old Oct 6, 2009 | 05:45 PM
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Re: NOW IGNITION PROBELMS

Originally Posted by CreepingDeath94
You have a connection/continuity problem in your wiring. Somewhere there is a voltage drop from the battery to the starter/rest of the wiring on the car. Start by checking all your wiring off the battery and work your way out from there. It could be corrosion or bad connections, but somewhere there is an issue with the good voltage getting from your battery to the rest of the car...lights/starter/etc. It's just going to take time and tedious inspection/testing of wiring from here.
thanks man ill let ya no whats going on
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Old Oct 7, 2009 | 08:05 PM
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Re: NOW IGNITION PROBELMS

Originally Posted by tgill
thanks man ill let ya no whats going on
ok still lost i had the car running by touching positive and neg and the lights were working while car was running blinkers work to but not breaks the lights r real dim when its not running and still cant get it to turn over with key
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Old Oct 14, 2009 | 04:31 PM
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Re: NOW IGNITION PROBELMS

hey guys my alt isnt bad had bad wire but anyway found out whats wrong with my lights they wernt grounding out right so re grounded my lights out and now my lights r working and my gagues still think i have a bad ground in dash but thanks for all your help
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