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I put the truck in neutral, like you should, i bring the truck to a stop, and i push the 4lo button. It flashes for about 5-10 secs but then goes right back to 2hi, I've tried rolling about 2-3mph and it still won't even engage. Its a 2002 chevy avalanche z71, with the 5.3L V8. Sometimes when i press it, it engages no problem, but other times, it just flashes and goes right back to 2hi. When i press 4hi, it goes right in, but 4lo is giving me some problems.
Hello everyone, I have had a low voltage reading for awhile now(4000+ miles), but today My truck would not start. I tried a jumpstart, which brought the voltage up to 14v from 12v, but still nothing, no solenoid click at all. When i left work, it started fine. I made a couple of stops on the way home, at the first i noticed the starter running slower than normal. At the second stop, is where it died. I towed it home, and of course once home, it started right up. I Managed to recreate this problem. I did some light offroading to get the motor really hot and noticed that while cold, i have a solid 14v, but that gradually drops as the the truck warms up to slightly under 12v. The alternator and battery have been recently tested and passed, the battery is new. Also, it is very hot here in Tucson (110 degrees today). I have two other posts on here about my alternator and a vapor lock issue, dont know if they are also related to this problem. Thank you. http://www.gm-trucks.com/forums/topic/201919-bad-alternator-94-yukon/ http://www.gm-trucks.com/forums/topic/202082-can-a-tbi-vapor-lock/
Hey guys, So over the weekend I put a new (to me) transmission in my truck (2003 silverado 1500) upon finishing the job I went to start it up to start pumping the new fluid through, but the truck will not turn over. All lights, radio, ect.. come on, but the truck will not turn over. Also, even after I have pulled the key out, the front marker lights, rear running lights, and dash lights all will not shut off. There is a high pitched ringing coming from the engine compartment, which, along with the lights shuts off when I pull the fuse for "ECM B". Initially I thought this was the Park-Neutral safety switch, which was cracked while we were installing it. The only idea I have left is that there is a small wire that comes out of the harness and attaches to the back of the engine right behind the passenger side cylinder head that was broken while installing the dipstick, I cannot find any information about what this wire is for or where it is supposed to be attached. ANY help would be much appreciated!!!
Ignition - Dead - Ghost - Wont Start - Intermittent
gmchorrors posted a question in Ask the GM TechnicianNov. 11, 2014, Northeast Pennsylvania, 2005 Sierra 1500 5.3L *Work Truck w/109000 miles on odometer: After driving for about an hour, I stop at a customer's home [at about 3pm], shut truck off, take key out, get out, and close door. About 20 minutes later, I get back in, place key in ignition, and turn key. Nothing. No starter sound; no lights on dash. It's like there's no battery. So, I breathe and try, again. This time, truck starts right up, like there's nothing wrong. What the heck was that? I driveicon1.png home, park, turn truck off, and get out. At home, I take battery out and place on a charger overnight. ...................... Nov. 12, 2014: I take battery to auto parts retailer who tests it. The test reveals, the battery is good (should start truck) but, is weak (needs a charge). So, I put battery back in truck, connect the cables, get in, put key in ignition, turn key, and it starts right up, like nothing's wrong. While engine is running, I place a load tester on battery. Test reveals, battery is good and alternator is charging well. While running, I drive truck to mechanic, explain everything I know to mechanic, and leave truck. Two days later, mechanic gives truck back, and says, it started right up "Every Time", and he can't find anything wrong with it. The mechanic charged me $20.00 ....................... Nov. 15, 2014: After driving for about 45 mins, I turn truck off, take out key, and get out. About two hours later, I get back in, put key in ignition, turn key, and it's like there's no battery. I leave key in ignition and get out, walk away for about 5 mins., come back, get in, turn key, and truck starts right up, like there's nothing wrong. ...................... Nov. 22, 2014: First thing in the morning, I disconnect the trickle charger and click the Viper remote starter button [twice in a row] to start the truck. Nothing happens as if the system is dead. So, I wait a few seconds and try, again – nothing. So, I wait another few seconds and try, again. This time, the truck starts right up like there’s nothing wrong. …………………….. I can't find a TSB, Special Service Adjustment, or other such bulletins on this issue however, I've discovered other GM vehicles with such related problem(s). Read this for instance: http://www.carcomplaints.com/Chevrol...starting.shtml and, http://www.gm-trucks.com/forums/topi...is-dead-today/ * work-truck: In 2007, bought it 2nd hand from a Stroudsburg, Pa GM dealer. It had 7,800 miles on the odometer.