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© 2009 Directed Electronics
Finding a parking light wire
The parking light wire is often found near the switch. Many cars have the
switch built into the turn signal lever, and the parking light wire can be
found in the steering column. The same wire is often available in the kick
panel or running board.
To find the (+) and (-) parking light wire with your multimeter.
1.
Set to DCV or DC voltage (12V or 20V is fine).
2.
To find a (+) circuit, attach (-) probe of the meter to ground.
If you are looking for a (-) circuit, attach (+) probe of the meter to
(+) 12V.
3.
Probe the wire you suspect of being the parking light wire. The
area near the headlight/parking light switch, or near the kick
panel, is an excellent area to start.
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.
With the meter at zero, turn the parking lights 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.
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