I would like to know how to remove and reinstall a new courtesy light switch in the side of the dash of my 1991 Silverado. This switch is activated by opening the door, allowing floor lights and map light to come on. When I close my door my lights didn't go out and drained my battery, twice.
You have to remove the instrument cluster, take the 4 screws which hold the cluster in place, remove th steering wheel colum cover (two screws) and than loosening the two bolts which hold the column up. After you done all this you should be able to wiggle the I cluster out of the Instrument Panel, remove the the switch and replace with a new one. Poellas
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turn on the lights & switch, smack the top of the dash a couple times. if the light comes on..then you have a loose bulb in the back of the panel, if not, the bulb is bad, consisting of removeing the cover for the instrument cluster, removing the speedo head to get to the back side for bulb replacement..( make sure to disconnect the Battery before performing this chore) i hope this helps !! Merry Christmas !!
Turn the light switch on and check your tail lights. Back then the tail and dash lights work on the same circuit inside the headlight switch so if one was out so was the other. If this is the case you need a new headlight switch. If not, there should be a fuse in your panel marked "instr". that's for the dash lights. Hope this helps.
When my "door ajar" light was on it was because the liftgate sensors (switches) indicated that the gate was open, even thought it wasn't. I took off the plastic trim, and took out the sensors - but that isn't necessary. Just soak with the switches with silicone spray, and see if that helps. There is one on each side of the liftgate - I believe both must indicate "closed" for the light to go off.
I have gotten replacement motors at Checkers for both driver and passenger doors - so now I have lifetime replacement motors.. The first time you replace them, a little drilling is needed on the door sheet metal, but it will not show up once the trim is reinstalled. This repair is a little involved, but well within the capability of a novice mechanic.
the driver's door has a switch which tells the multiplexer control unit that the door is open and the control unit then switches on the lights. It sounds like the switch is not making contact when the driver's door is open. The lights work and the other door switches work--so it isn't a fuse or multiplexer problem.
Most often the tail lights and dash lights share a single feed and fuse.
Assuming you have checked the fuses (probably marked as tail or courtesy)
If you have good fuse and the head light gives a voltage out while in the 'parking light' position (usually between off and headlights) then you need to start chasing wiring.
You have to remove the console and radio pod. Then remove 2 screws that you can now get to behind the pod. Then pry out the dash light dimmer switch (the one you use to adjust dash light brightness) remove the screw behind it that holds in the gage cluster trim. Then there is another switch on the other side under the cluster (don't remember what it is) and there is another screw behind it. Have fun, LOL!