Question about 1999 Isuzu Trooper
1999 Isuzu Trooper:
Blower Motor Not Working
Alternator Not Working
Instrument Panel ABS Light Is On
Instrument Panel Battery Light Is On
Turn on switch to blower: No Blower
Tested Fuse: Good
Jumper Fuse: No Blower Motor
Jumper to blower motor from another fuse, Blower Motor works fine.
Fuse Box, Inside Trooper:
Pull internal fuse box from panel and test power to each fuse from the back side of the fuse box.
All power wires on back side of fuse box show power except:
Blower Motor Fuse and AC Fuse next to blower motor fuse.
I cannot visibly follow blower motor power in wire from fuse box up through wire harness to behind the dash board to the fuse box under hood beside battery.
I am curious about the AC Comp Relay in the External Fuse Box.
I have not spotted the blower resistor that is supposed to be beside the external fuse box, but that is from a Rodeo manual.
Alternator and Battery:
Alternator is not producing DC output to battery. Simple test on battery before cranking engine and after cranking engine. I have not pulled alternator but really do not believe alternator is bad at this point.
I tried to source a Trooper manual from each of three auto stores in town and found only a Harris manual for the Rodeo and Amigo. I bought that manual.
Electrical schematics are not that good.
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Posted on Jan 02, 2017
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