Quote:
Originally Posted by ken729
Ok - if the automatic lights are working properly as you described, I would go back to suspecting the headlight switch/dimmer. First, I would check to be sure that the Rear Parking Lamps illuminate to full brilliance. (The voltage that goes to the dimmer switch originates from that same +12 volt DC circuit fuse according to the schematic). If not, check the fuse - my 2000 LS fuse for this ciircuit is located in the Passenger Side Instrument Panel Fuse block. Check your manual for the location - might be the same - I'm not sure. If the Rear Parking Lamps Illuminate correctly then I would proceed to probe the circuit as I described earlier for voltage reaching and leaving the actual headlight dimmer switch. That will tell you whats going on for sure. If you dont have a voltmeter or are not comfortable probing the circuit you could just try replacing the switch/dimmer module. I'd try to get a used one or one from a junkyard in that case
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I don't mind using a DMM, but I'm definitely not an electrical engineer. I know enough to be dangerous. I can do some small wiring around the house and in the car.
My first thought I think I'm going to try is take the dash apart and just remove the connector to the back of the light switch so I take it out of the equation and the resistance it's putting on the circuit. Theoretically I could just leave it that way if it works, seeing I never use the light switch... except I won't have a way to adjust the dimness of the display at night... so maybe it won't work. I don't know.
What kind of tollerance am I allowing when checking the circuits with the DMM?