|Originally posted by chevyfany2k:|
... gauge lights not working...
...is usually caused by a loose connection. Read on...
Between the steering column and the center console, you will find a heat sink with a big metal diamond-shaped transistor screwed to it.
Remove the whole assembly and unplug the harness connector.
The problem is usually caused by a poor connection where the pins on the back of the transistor plug into the socket on the heat sink.
You can unscrew it, unplug it and clean the pins, or just dab a bit of solder (rosin-core only) on the pins, where the socket "grabs" them.
If you take it apart, be sure to retain the clear insulator.
Otherwise, you'll have a direct short to ground and you'll let the magic smoke out.
If you have any computer CPU "thermal paste", you can wipe off all the white heat sink compound and use a small dab of the paste on both sides of the insulator. A very thin layer is best. Don't use too much.
Otherwise, just put it back together and don't disturb the white stuff any more than you have to.