98 Trans Am ls1

Tiny
GBLOCK32
  • MEMBER
  • 1998 PONTIAC TRANS AM
  • V8
  • 2WD
  • AUTOMATIC
  • 144,000 MILES
My trans am's headlight wont raise when I cut them on. I've checked the motors and fuses but everything is in working order. My dash lights, tail and brakelights all work fine as well. Just the headlights. I replaced the lightswitch and still nothing. Is there some sort or relay or module that im not aware of that could be replace? P.S. Once i've manually raised them and turn my lights on they work fine. And when I cut them off they lower fine. But they wont raise. Any ideas what this could be?
Tuesday, January 18th, 2011 AT 10:21 PM

6 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
You're going to have to test the lift motor itself.
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Tuesday, January 18th, 2011 AT 10:39 PM
Tiny
GBLOCK32
  • MEMBER
  • 5 POSTS
I have. It tested ok but the lights still wont raise.
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Wednesday, January 19th, 2011 AT 12:57 AM
Tiny
WRENCHTECH
  • MECHANIC
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Here is the wiring diagram to test the circuit. Be sure to check the fuses first.

https://www.2carpros.com/images/external/79243545.gif
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Wednesday, January 19th, 2011 AT 1:02 AM
Tiny
GBLOCK32
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  • 5 POSTS
Would the lightswitch have anything to do with the lights not raising? Even I the dash lights come on would they still not raise if the switch is bad?
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Thursday, January 20th, 2011 AT 3:36 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
As the diagram shows, the switch controls the door actuator module.
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Thursday, January 20th, 2011 AT 3:45 AM
Tiny
GBLOCK32
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  • 5 POSTS
How many actuator relays does a 98 trans am have? And do you think that would keep the headlights from raising?
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+1
Tuesday, January 25th, 2011 AT 2:41 PM

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