engine do not turn, batt ok,ignition switch wire replace, ingition relay replace. the fuel pump getting juice
Aug 21, 2010 at 1:07 PM
1999 GMC Yukon not crancking
1999 GMC YUKON
MELVINO
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Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
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I'd have to be sure the battery has a full charge and the battery connections are good. Next, I'd check the circuits at the starter relay. Terminal 30 is hot all the time? Terminal 86 goes hot with the key in the crank position. There are fuses involved, not only check the fuses, use a voltage tester on the fuse circuit. Even if the fuse is good, if no voltage, the circuit is dead.
Did you try cranking in neutral? There is also a crank fuse, not shown in the picture, that has to do with terminal 86.
Aug 21, 2010 at 1:47 PM
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