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Remember, you need a (+) parking light wire that does not vary with the dimmer setting.
How to find a (+) parking light flash wire with your multimeter:
1. Set to DCV or DC voltage (12V or 20V is fine).
2. Attach the (-) probe of the meter to chassis ground.
3. Probe the wire you suspect of being the parking light wire. Usually, the area near the headlight/parking
light switch is an excellent area to start, as is the kick panel.
4. Turn on the parking lights. If your meter shows (+)12V, turn off the parking lights and make sure it
goes back to zero.
5. If it does return to zero, turn the parking lights back on and, using the dash light dimmer control,
turn the brightness of the dash lights up and down. If the meter changes more than a volt when using
the dimmer, look for another wire. If it stays relatively close to (+)12V, you have found your parking light
wire.
finding the door pin switch circuit
The best places to find the door switch wire are
■ At the pin switch: When testing at the pin switch, check the wire to ensure that it “sees” all the doors.
Often, the passenger switch will cover all the doors even if the driver’s switch will not.
■ At the dome light: This may not be your best choice if the vehicle has delayed domelight supervision, but
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