Question about 1993 Isuzu Trooper

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Won't start Worked fine last night, didn't start this morning. Battery level fine. Lights, radio, dashboard indicator lights, all work fine. Blower fan for heater doesn't work, and turning the ignition gets me silence. 12.3 volts to starter, multimeter registers 0 on other solenoid terminal when key is turned into start position. Seems like the restart relay is the common element between fan and starter, as I look closely at chassis wiring diagram. Probably have no A/C, but can't tell with engine off and no fan. If it is the restart relay, or any other relay, where is it located, and how do I run a check to see if it's good?

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A friend here solved it. It was a bad connection of the ground wire, with the paddle-shaped connector loose. He cleaned it a bit, slid it back on, and crimped it a little (not easy to do in that tight space). Solved both problems.

Posted on May 21, 2008

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