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

Problem after swap!

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Old 05-01-2004, 05:06 PM
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Car: 89rs (previous 2.8)
Engine: 406
Transmission: 700r4 (for now)
Problem after swap!

I Got the 406 in ..all wired up..ready to go..I labled all my wires when I took the 327 out. Put them back the same way. when I turn the key I get a click , but it wont turn over. I do the screwdriver deal and she popped right off...and I must say she sounds pretty bad ***.
I get no power to the single purple lead anywhere. all the others are live.
I can just wire in a push button, as this is a track only car...if anyone cares to take the time to tell me how, it would be greatly appreciated....I checked a double checked all my connections and fusible links and all seems well. Thanks in advance!!
Old 05-01-2004, 05:53 PM
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Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
What post do you have the purple wire on, is it on the small post marked "S". It goes from the starter solenoid to the Park/Neutral switch on an automatic and the clutch start switch on a manual.
Old 05-01-2004, 06:10 PM
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Car: 89rs (previous 2.8)
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Transmission: 700r4 (for now)
Yep ...Thats where I have it..the connector will only fit on that post..If I take a wire from the battery and a wire from the start post and put a button in between,, will that work?
Old 05-01-2004, 06:33 PM
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Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
I take that you have removed the computer associated items out if you are using it as a track car. BTW, you wouldn't be getting any power from the purple wire until the key was turned and the circuit from the ignition switch to the starter was completed.
Old 05-01-2004, 07:00 PM
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Car: 89rs (previous 2.8)
Engine: 406
Transmission: 700r4 (for now)
yep all the computer **** is out and it is a track only car.....no power with the key turned all the way...
Old 05-01-2004, 07:11 PM
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Car: 89rs (previous 2.8)
Engine: 406
Transmission: 700r4 (for now)
I have a B&M megashifter,,,,,maybe I need to reconnect the harness there...I didnt think I would need itr without the computer!
Old 05-01-2004, 07:12 PM
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Car: 1989 Iroc-Z
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Yep, you need it because it completes the start circuit.
Old 05-01-2004, 07:25 PM
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Car: 1982 CAMARO;
Engine: 1985 LB9;
Transmission: T-5/
On the nuetrul safety switch you have 5 wires
3 small ones
and 2 larger ones, the large ones one is Purple and the other is Yellow. These two need wired togeather or have the correct switch for your shiffter application installed. I would wire them togeather to make sure you get power and then get the proper switch.

Just my .02
Old 05-01-2004, 08:28 PM
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Car: 89rs (previous 2.8)
Engine: 406
Transmission: 700r4 (for now)
thanks guys Ill wire it up in the morning and let ya know how it goes...thanks again..
Old 05-01-2004, 08:49 PM
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Car: 1989 Iroc-Z
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BTW MTPFI-MAF,

There is no yellow wire going to the Park/Neutral switch on his car. It is a dark green/white wire which comes off the starter enable relay and goes to pin "F". The yellow wire goes to the Clutch Start Switch on a manual. Please note that I said on his car which had the starter enable relay with the two yellow wires coming off the ignition switch instead of going to the Park/neutral switch as in earlier models.
Old 05-02-2004, 05:42 AM
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Car: 89rs (previous 2.8)
Engine: 406
Transmission: 700r4 (for now)
here is how I hooked it up last time.....FWIW.
Attached Thumbnails Problem after swap!-b-m-shifter-instructions  
Old 05-02-2004, 06:13 AM
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Car: 1982 CAMARO;
Engine: 1985 LB9;
Transmission: T-5/
Originally posted by Trickster
BTW MTPFI-MAF,

There is no yellow wire going to the Park/Neutral switch on his car. It is a dark green/white wire which comes off the starter enable relay and goes to pin "F". The yellow wire goes to the Clutch Start Switch on a manual. Please note that I said on his car which had the starter enable relay with the two yellow wires coming off the ignition switch instead of going to the Park/neutral switch as in earlier models.
Sorry Trickster, I didn't realize that it was different on his car that is just the two color of wires I had to hook to the switch when I changed shifters. nextime I will research first.
Old 05-02-2004, 10:06 AM
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Car: 89rs (previous 2.8)
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Transmission: 700r4 (for now)
Problem solved..Thanks again guys..
Old 05-02-2004, 10:37 AM
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Car: 1989 Iroc-Z
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Transmission: 700R4
Hey Riley,

Just out of curiosity, what was the fix if you don't mind posting it.
Old 05-02-2004, 03:32 PM
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Car: 89rs (previous 2.8)
Engine: 406
Transmission: 700r4 (for now)
I wired the fat purple and fat green wire together..that was all I needed to do to make the starter work..soooo, thats where I left it.
Old 05-02-2004, 03:43 PM
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Car: 1989 Iroc-Z
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Transmission: 700R4
Cool!!!!!! Good luck at the track with it.
Old 05-02-2004, 05:32 PM
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Car: 89rs (previous 2.8)
Engine: 406
Transmission: 700r4 (for now)
thanks, I should be somewhere in the mid 11's if all goes well. Im hoping to be in the 10's with a few more upgrades and much more $$$..the motors original owner put $7000 in the motor and Ive added about $4000 more in the car. So it better do something or I'll be really .
Somewhere along the line I lost my tail lights and brake lights. I wouldnt worry about it but a few of the bracket classes I plan to run require tail lights and one working brake light. I didnt cut any wires coming from the rear..but I did take alot from the passenger side when I ripped the computer out. Any Ideas on where I should start looking?
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