Question about 2003 Hummer H2
Hello, i got an 03 200K mile H2. It died on the road and now it doesn't crank, i tried connecting OBD2 but it gets connection error. Battery recharged, cables good, starter cranks when jumped but no start. I jumped 87 and 30 on the starter relay, it cranked but no start, 85 gets positive when key in pos2 but 86 no change when key in pos3. Crank fuse powers up when key in pos3. Other issues that may or may not be related... Low Engine Power came on same day and it wouldn't clear. Usually it goes away. Rear locks of the truck stopped working a week before, bad relay, didn't get a new one yet. Pass key lock light about once a week, but it clears in 5 min.
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Posted on Jan 02, 2017
SOURCE: H2 Hummer
Today 11-12-08 my 2003 H2 Hummer would not start. Checked battery it ischarged. Cables tight. Tried to start with portable booster pak. No go. Tridto jump start with my wife's Suburban. Still no go.
When I turn the switch I hear a single click and that is it. No engine turning over. While trying to start with key the headlights go out. Out of ideas, Will take to Chevy garage in am. Will post solution.
Posted on Nov 13, 2008
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