1997 gmc Jimmy no power to anything

1,735

Asked by Sep 06, 2015 at 11:51 PM about the 1997 GMC Jimmy 4 Dr SLE SUV

Question type: Maintenance & Repair

Hey I have a 1997 gmc Jimmy and I have no
power to anything even the basics power
mirrors brake lights head lights interior light
or ignition when I try to jump power to fuse
box and anywhere else including hood light
it shorts out.  It's as if all power leads are
grounded any advice?
Also I have tried jumping ground from
battery to engine and chassis does not
make a difference
Plz help lol

5 Answers

1,735

Also should mention getting 12v power to alternator and starter through the basic power leads from battery

2 out of 2 people think this is helpful.
56,855

Check the underhood fuse box for a main fuse. It's usually a large (MAXI style) fuse marked 100. If it's blown, that'll kill the whole vehicle. If you replace it and the new fuse blows immediately you have a dead short somewhere. Most likely at or near the battery. HTH. - Jim

1 out of 1 people think this is helpful.
1,735

All fuses and relays are good including main power feed line. Crossed out bad grounds and ecm. And when I jump the circuit with jumper cables and a battery (good known battery and with vehicle battery out of jimmy) when I connect just the positive all normal power leads to fuse box and sensors have power but as soon as I connect the ground all power leads ground out

2001 GMC Jimmy stuck in 4 Low drive

1,735

Shift transmission in to neutral make sure you are completely stopped and try to shift out of 4 lo

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