pull the dash
what about it?
You need to replace the dimmer switch in your gauge cluster. This was caused by a bad ground happens all the time.
Disconnect the battery. Disconnect the air bag system. Remove the steering wheel. The dimmer switch can now be replaced.
IT IS LOCATED UNDER THE PLASTIC STEERING COLUMN COVER NEXT TO THE HEADLIGHT SWITCH
Its the dimmer switch bad.
If your high beams still work it is the dimmer switch.
It's on the floor to the left of the brake pedal. You turn it on and off with your foot.
It can be the dimmer switch. It needs to be checked out./ A test light will check for voltage.
On the '92 sunblrd SE the power for the lights to from fuse to headlight switch to dimmer switch to bulb, no relay involved.
You will find the dimmer switch under the dash on the colunm .it is a tough repair cause of standing on your head to locate the mounting hardware and elelctrical connecter. when it is located and removed. The new one once installed has to be adjusted to operate properly.
Bad bulbs Bad dimmer switch
Begin by removing the retaining ring at the top of your 1990 Pontiac Bonneville ignition switch. The ignition switch will slide out. Remove the wiring harness from the end of the ignition switch. Reverse the process to install your new ignition switch.