all lights out
car: 1984 W126 300SD
this has been bugging me for a while. back a couple of month i installed a new radio, i probably didn't do anything wrong because i have done several installations with no problem. but after that i noticed i don't have any dash lights anymore (instrument clusters, and buttons on the heater controls themselves) now the fuse is good, i changed it just in case. is there another fuse that might have blown somewhere? all my guages still work fine. thanks for all your advices |
It sounds kinda like a broken wire to me.
You can divide and conquer the problem to some extent. Measure for voltage at one of the non-functional light bulb sockets. If you have voltage there, its a bad ground. No voltage, its a bad 12V supply wire. So at that point you've divided the problem in half, and can then trace in the proper direction. In difficult cases the factory wiring diagram helps because it shows wiring junction points. Ken300D |
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Ned,
All of the lights you mentioned are run thru the dimmer switch on the IP. Try rotating it with gusto. It's a notorious failure point. |
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