No start No crank

Asked by Jun 06, 2018 at 10:35 AM about the 2001 GMC Sierra 1500

Question type: Maintenance & Repair

I have a 2001  GMC SIERRA 1500 that won't start or make a
noise. Has power everything turns on. I turn the key and
hear jus a lil click. Just had flywheel fixed and starter but
when I got it back it started ran fine the next day nothing
just power. Many hours later it started like nothing.
Following day would not start just power. I took it back to
mechanic and I got it bk it started the following day it
wouldn't attempt to start. I havnt got it to do anything since
just power comes on. PLEASE HELP!!

2 Answers

2,090

Make sure battery has a full charge and battery cables/wires all ok, on both ends, not just at the battery. Make sure tranny is in park or neutral and parking brake is set. With intermittent issues, you have to test when problem is ongoing. I can only help with testing. When starter won't crank, pull the starter relay in underhood fuse block. Terminal 30 is hot all the time. Use proper jumper wire between terminal 30 and terminal 87, the starter motor should crank the engine. Again, make sure tranny is out of gear and parking brake is set. If it cranks then hopefully the starter motor is ok. That might show the problem is on the control side of relay. I'm not saying the relay is faulty. The crank fuse should be hot with key in the crank position, you can use a test lite and check that. I could go on, but, you need to do some testing. Intermittent issues can be a pain to track. I don't know what testing your mechanic performed. Unless the mechanic can get the vehicle to act up when he is testing, he won't find anything. I couldn't either.

1 people found this helpful.

Put brand new battery, changed relays starter has power. Never had problems till I had mechanic fix flywheel because it was making a clacking embarrassing noise. Never had problems with it starting. I get it back then it next day no start just power. Hours later it started. I'd go places didnt have have starting problems that day. Next day nothing. I told mechanic he said he fixed a wire. I get it back next day nothing. Its been parked for a week now it wont starr or attempt to start just power from everything else. I Changed the relays. Still nothing. Mechanic said he can't get to my truck till middle of next week.

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