91 Plymouth voyager temp gauge maxed out. Disconnected wire still maxed out any thoughts?
Feb 20, 2011 at 8:11 PM
CARADIODOC
✓Experienced Mechanic
34,413 POSTS
Did you disconnect the single-wire sensor with a purple wire or the two-wire sensor? The single one is for the gauge. Measure the voltage at the connector when the ignition switch is turned on. If you find 0 volts, that wire is shorted to ground somewhere.