There are several things that can cause it. One of the door switches may be misadjusted, the headlight switch adjusted so the interior lights come on or a malfuncton in the headlight switch. You just have to check it out. those things check out fine. is there a module that could be the problem?
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Related Questions
Where is the fuse that controls the interior lights for a 1990 Buick regal GS?
in the fuse box
1990 sunbird firing order?
1,3,4,2
What could be the problem in 1990 Honda Accord if lights in interior dome and dash and park lights will not come on and all fuses are good?
bad combination light switch
Where is the headlight relay for 1990 pontiac sunbird le located?
On the '92 sunblrd SE the power for the lights to from fuse to headlight switch to dimmer switch to bulb, no relay involved.
Why would a 1990 Honda Civic running lights go out when the brake lights come on?
The running lights have a bad ground.
Where is the fuel pump located on a 1990 pontiac sunbird?
It is in the fuel tank.
Why would a 1990 300e Mercedes Benz brake lights and reverse lights stop working?
burnt out lightbulb!
Why would a fan not come on in a 1990 Pontiac Sunbird?
Blown fuse, bad temp sensor, bad ground, bad fan motor
What engines are compatible with a 1990 Pontiac sunbird?
Chevy Cavalier or Olds Calais...
What is the gap for a 1990 Plymouth sunbird using champion plugs?
.035 inch
1990 Buick Riviera interior lights stay on?
you have two buttons under the head light switch one will do the job if broke use tooth pick
Location of theromostat in 1990 pont. sunbird le?
under radiator cap
What would cause a 1990 cadillac not to have running lights?
Most likely a blown fuse
How do you find the voltage regulator on a 1990 Pontiac Sunbird LE?
The voltage regulator is inside the alternator.
Where can you find a free factory radio wiring diagram for a 1990 Pontiac sunbird?
goto-installdr.com
Can a 1990 2.0 Sunbird engine be put in a 1992 Sunbird Will it bolt up with the transmission and exhaust all right?
if both are automatic and both have STOCK exhaust systems it should be alright
Why would a 1990 Pontiac Fire Fly have bright lights but not dim?
Its the dimmer switch bad.
Why would the tail lights work on a 1990 Camry but the brakes lights will not even after you replaced the bulbs and the fuse to the brakes?
Check the switch at the brake pedal .
What is involved in replacing bearings in a 1990 Pontiac Sunbird?
What kind of bearings??Engine, wheel, trans,diff.?????
Why won't a 1990 Pontiac sunbird charge the battery?
The alternator went bad. You need a new one
Location of fuel pump relay on 1990 Pontiac Sunbird?
Under the hood in the fuse/relay module.
Where can you find a vacuum line diagram for a 1990 Sunbird LE with a turbo 2.0?
I own a 1989 Sunbird GT turbo and the vacuume line diagram is located under the hood on the top left corner.
Why would all the dash lights go out but everything Elsa work in a 1990 olds?
check the fuses
Why does 1990 Pontiac Sunbird idles rough after tuneup?
Did they replace the MAP sensor? If not, good chance there's your problem.
When was Jewish Lights Publishing created?
Jewish Lights Publishing was created in 1990.
