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

Headlights need your help!

Old May 13, 2009 | 06:53 PM
  #1  
1986Firebird350's Avatar
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Joined: Jan 2009
Posts: 21
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From: Canada
Car: 1986 Firebird
Engine: 350 SB Chevy
Transmission: TH350
Axle/Gears: 3.23
Headlights need your help!

I have an 86 firebird base (originally the V6) that has had problems with the headlights coming up and down since the purchase. Before you start answering, please take these factors into account:

1. Headlight motors work, after hotwiring them, they went both up and down.
2. The driver side light goes down but not up, the passenger side one does nothing.
3. I've already replaced the main relay(I've read that there are 2 other relays that control the lights individually)

I'm fairly sure that the relays are done, but since i did the swap, most of the wiring went with the old engine. I'm fairly sure I've located one of the 2 relays, but a part number to confirm would be nice. Also, If there is anything that could also be my problem, any help is appreciated, thanks in advance.
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Old May 13, 2009 | 07:03 PM
  #2  
jjlabinski's Avatar
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Joined: Dec 2004
Posts: 556
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From: my garage
Car: 84 firebird T/A
Engine: shinny 350
Transmission: slush box L65
Axle/Gears: Torsen "3.73"
Re: Headlights need your help!

one relay is on the firewall. the two that generally fail are on the fenders about 12 inches from the radiator.

look at the attached photo. you will see the pass side by the battery. it is the little square deal with the schematic on it. draw a line across from it to the driver side. you will see it next to the windshield solvent reservoir.

Last edited by jjlabinski; Jun 2, 2009 at 06:39 PM.
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Old May 13, 2009 | 07:15 PM
  #3  
1986Firebird350's Avatar
Thread Starter
Junior Member
 
Joined: Jan 2009
Posts: 21
Likes: 0
From: Canada
Car: 1986 Firebird
Engine: 350 SB Chevy
Transmission: TH350
Axle/Gears: 3.23
Re: Headlights need your help!

thanks, the one i was looking at is one... but for the love of god i think i might have gotten rid of one of them in the de-wiring process.... anyone got wire colors and what post they go to handy? Oh and the one i need help wiring is onm the passenger side, thanks.
PS, is that your car? if it is very nice ride.

Last edited by 1986Firebird350; May 13, 2009 at 07:19 PM.
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Old May 13, 2009 | 07:32 PM
  #4  
jjlabinski's Avatar
Senior Member
20 Year Member
 
Joined: Dec 2004
Posts: 556
Likes: 0
From: my garage
Car: 84 firebird T/A
Engine: shinny 350
Transmission: slush box L65
Axle/Gears: Torsen "3.73"
Re: Headlights need your help!

dont try and run your motors without passing the current through the relays you will cook the motors quick.

yes my ride

you need to get the fisher body service manual for your diagrams. dont use any after market publications. the two book you need cost about 100 bucks for the set. they are a must if you plan to be successful at wiring these cars.

jeff
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Old May 13, 2009 | 07:36 PM
  #5  
DrewsCam's Avatar
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From: West Houston, Tx.
Car: 1991 Z28
Engine: 355 TPI
Transmission: 700r4
Axle/Gears: 9 bolt disc / 3:27
Re: Headlights need your help!

Heyy JJ got a question 4 u... do you have probs with that ram air set up pulling too much hot air into the plenum? Do you have headers on that machine?
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Old May 13, 2009 | 07:44 PM
  #6  
jjlabinski's Avatar
Senior Member
20 Year Member
 
Joined: Dec 2004
Posts: 556
Likes: 0
From: my garage
Car: 84 firebird T/A
Engine: shinny 350
Transmission: slush box L65
Axle/Gears: Torsen "3.73"
Re: Headlights need your help!

HUH?

it is TPI

and I cant get enough air!

as for hot, it is pulling cold air when moving.
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Old May 13, 2009 | 08:30 PM
  #7  
DrewsCam's Avatar
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Joined: Mar 2002
Posts: 1,029
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From: West Houston, Tx.
Car: 1991 Z28
Engine: 355 TPI
Transmission: 700r4
Axle/Gears: 9 bolt disc / 3:27
Re: Headlights need your help!

Sorry I was talking about the cold air intake not the ram air... I'm about to do the same thing to my carbed z28 and I wanted to know if I should move the filter beneath the old charcoal canister or put it where you have yours.. I thought I'd get to much heat there...
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