T/A 4th gen to 3rd gen, with fog lights wiring inside
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Joined: Aug 2001
Posts: 483
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From: Dallas, Tx
Car: 88 Trans Am
Engine: lt1 intaked 355 makin 277 on 25 psi of fuel pressure and stock timing :)
Transmission: A4 stock... that moved a mobile dyno a foot shifting into 2nd :)
T/A 4th gen to 3rd gen, with fog lights wiring inside
ok here is what i have sooo far.....
this is for an 88 trans am lighting system....going to a 95 trans amh
headlights
3rd gen--------------------4th gen
RED------------------------------------RED hot at all times
ORANGE------------------------------ORANGE headlamp fuse (ibelive)
YELLOW (x2)------------------------YELLOW head lamp up, and turn on
BROWN-------------------------------BROWN 12v when park is turned on for fog
GREEN--------------------------------GRAY illumination
there is no BLACK(ground wire) on this plug for the 3rd gen harness but connect the black wire from the 4th gen plug to ground.
WHITE WIRE MUST GET 12v when headlights are turned off... with the 12v applied i belive the headlights will drop back down.....still needs 2 be tested.will do tomarrow and repost.........
Fog lights
3rd gen-----------------------4th gen
BLACK--------------------------BLACK chassis ground
BROWN------------------------BROWN parking lights 12v
YELLOW or BROWN/WHITE---------YELLOW runs to fog light relay
PURPLE-------------------------PURPLE fog on light
GRAY---------------------------- GRAY wire from headlight harness for illum
these are from lookin at 2 electrical wiring diagrams one from a haynes and the other was posted on this board..... now i hope this helps alot of people out..... after sitting down and going over some of the other post on wiring for the lights .... i found out i had a few wires crossed..... so will fix and report tomarrow....
this is for an 88 trans am lighting system....going to a 95 trans amh
headlights
3rd gen--------------------4th gen
RED------------------------------------RED hot at all times
ORANGE------------------------------ORANGE headlamp fuse (ibelive)
YELLOW (x2)------------------------YELLOW head lamp up, and turn on
BROWN-------------------------------BROWN 12v when park is turned on for fog
GREEN--------------------------------GRAY illumination
there is no BLACK(ground wire) on this plug for the 3rd gen harness but connect the black wire from the 4th gen plug to ground.
WHITE WIRE MUST GET 12v when headlights are turned off... with the 12v applied i belive the headlights will drop back down.....still needs 2 be tested.will do tomarrow and repost.........
Fog lights
3rd gen-----------------------4th gen
BLACK--------------------------BLACK chassis ground
BROWN------------------------BROWN parking lights 12v
YELLOW or BROWN/WHITE---------YELLOW runs to fog light relay
PURPLE-------------------------PURPLE fog on light
GRAY---------------------------- GRAY wire from headlight harness for illum
these are from lookin at 2 electrical wiring diagrams one from a haynes and the other was posted on this board..... now i hope this helps alot of people out..... after sitting down and going over some of the other post on wiring for the lights .... i found out i had a few wires crossed..... so will fix and report tomarrow....
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