Question about 2003 GMC Envoy

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Service Engine light is on, volume on radio went out. The vehicle would not start. After a few minutes the vehicle did start, and volume did not return.

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Check both the fuse box's, one is under the hood on the drivers side of the engin compartment and the other is in the door jamb on the side of the dash also on the drivers side of the truck

Posted on Jun 07, 2010

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2008 Mercury Mountaineer electrical issues


This is a devious problem which could lie anywhere. So many things not functioning would perhaps be a ground problem. Maybe take some extra care in cleaning the battery terminals, check if the ground wire is connected to the chassis. Do you have rodents in your area? Maybe they nibbled some wire somewhere?

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I have a 2001 buick century limited...I started my mother-in-laws car after sitting for 6 months..It started right up and I let it run for about 45 minutes....the car instruments and gauges all went...


How are you testing in the vehicle ? Just volt meter on battery post's while vehicle running ? Fuse an fusible link good ? Have turn on signal from the PCM - engine computer ? Any DTC'S stored in the PCM ?

Mar 28, 2017 | 1997 Buick Riviera

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I just drove my car 10 minutes ago now when I went to start it up it would not start instead the (anti lock light) came so did the (security light ) and also the (service vehicle soon) light came on do...


the best way to start these questions is with year, make, model and engine size of the problem vehicle.

could be an ignition switch, ignition relay, bad starter, bad starter solenoid, to name a few.

if you have power (battery) but no crank, you will see all those lights by default.

Try tapping on the starter solenoid (hard) while cranking it.

Jan 29, 2013 | Cars & Trucks

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Electrical problems with 2006 Nissan maxima


I would start with checking the computer for trouble codes.
Sounds like a bad connection in the dash wiring or key switch, but the trouble code might steer you in the right direction.

Jul 18, 2012 | 2006 Nissan Maxima

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Service engine soon light is on . when disconect battery terminal for 3 minutes, and start the engine, it does not throttle for 3 or 4 attempts. the service engine soon light stays on.


It is not SUPPOSED to throttle for 3 or 4 attempts when you start the engine just after disconnecting the battery. Every time you disconnect the battery, your computer has to go through the idle learning process.
Also, every time you disconnect the battery, all you are accomplishing is to remove important information from the computer system that is needed to propery diagnose and repair your vehicle. You are also taking a big risk by doing this because repeatedly disconnecting and reconnecting the vehicle battery can damage many EXPENSIVE electronic components including the engine computer, body computer and the radio/stereo system.

My recommendation is to get the vehicle PROPERLY diagnosed and repaired so the light will stay off.

Sep 04, 2011 | 2004 Mitsubishi Lancer

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2003 Envoy intermittent display, radio, ac control, shift, comp.


This sounds like your alternator maybe going bad. When your alternator starts to go bad lights such as headlights, radio lights will go dim wipers will start to move slower but if you cut one of the things off such as the wipers the lights will get brighter for a few minutes then not long the car will shut completely down. Hope this helps.

Jul 22, 2009 | 2003 GMC Envoy Xl

1 Answer

The check engine light is on.


Sometimes disconnecting the battery for a few minutes will reset the check engine light. Make sure you have the correct radio code before doing this or your radio will not work after disconnecting the battery.

Mar 21, 2009 | 1998 Volvo S70

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1996 Olds Achieva Engine cuts out


Take both cables of the battery and clean them with a wire brush, reinstall them making sure those little 5/16 hex bolts are nice and tight in the battery. Trace the battery ground cable back to where it bolts to the engine block, make sure it is very clean and tight. There should be a body ground somewhere, this is a conductor between the engine block and the metal body part of the engine compartment- clean and tight as well. If you can't find the body ground, make one.
Now get on your hands and knees and inspect behind both front kick panels and under the dashboard valence, inside the car. You are looking for single or clusters of brown or black wires that are bolted to the body inside the car. Clean and tight for these as well. I promise, this is where your problem lies, but I'm betting on loose battery terminals right now.


Mar 11, 2009 | 1996 Oldsmobile Achieva

1 Answer

Doesnt always start, but lights, radio, AC/heat does come on.


First place to check is the battery. Old ones can push your lights , radio, etc, but the starter is the real load. . Can verify this by using jumper cables to a running vehicle and watch your machine fire right up! The reason mornings are the worst, is the battery has had the most time to discharge, and it is probably cooler outside.

Dec 23, 2008 | 2000 Oldsmobile Intrigue

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