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86 TA Headlamps

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Old Oct 27, 2008 | 04:33 PM
  #1  
sdanielstt's Avatar
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86 TA Headlamps

I been working Sonny's auto pop up headlamps on his Trans Am.

Both headlamps motors will not pop up the headlamps BUT the lights do turn on.

I hot tested the motors & they worked fine. Thus leads me to think relay, fuse, or switch at dash.

I bought a relay from A local guy but I think the one he gave me was a firewall mount unit that is big & has the word GUIDE on it. I think that is for the 87 to 91 models. Not for 86

I think the relay's I need are each mounted on fenders up front.

My next step was go check fuse box. BAM I see blown 20 amp fuse in the box. I put new fuse in & I here the headlamps motor whrrr & pull down the lamps. (I had them opened up manually).

After that nothing else happens! I am still at square one.

HELP so I can get this PIG roadworthy
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Old Oct 27, 2008 | 08:11 PM
  #2  
sdanielstt's Avatar
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Re: 86 TA Headlamps

UPDATE: Here is where I am at currently:

OK I think I have this beast figured from looking at wire diagram & a troubleshooting website.

82 to 86 Fieros/Trans Am have (1) hot fusible link, (1) isolation relay & (2) actuator relays.

Since my head lamps went down when I supplied a 20 amp fuse that means the power ran thru the isolation relay ( the power to isolation relay is one way for DOWN lamps only). I think this is OK

To bring the lamps back up there is a 1 HOT fusible link located under master cyl.

The 2 actuator relays are near the headlamps. I think both of these are OK since the headlamp motors both went down.

I am going to check the Fusible Link. I belive this is where my problem lies. Also check all body grounds.
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Old Nov 2, 2008 | 01:18 PM
  #3  
Copchaser's Avatar
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From: Sacramento Ca
Car: 86 Trans am, 91 Camaro RS
Engine: 355 Sbc, nothin yet
Transmission: 700r4- both
Re: 86 TA Headlamps

sounds like you are on your way.. let me know what u find, cause I am having the same problem, except my motors arent going up or down.. And everything else seems to be in good working order....AARRRGGGGG
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