2003 Chevy Silverado Voltage Drop

Sometimes it jumps back and forth.

2003 chevy silverado voltage drop.

Sometimes it will stay at 11 for 5 10 seconds then rise to 14. Chevy truck no start flickering lights gauges voltage drop testing duration. 01 03 05 12 50 pm post 590565 2001 silverado 4x4 x cab 5 3l lt my voltmeter will randomly drop from approx 14 to 11 then back up to 14. The truck is a 2005 silverado with a 5 3l engine 4wd with about 75 000 miles.

2005 2009 chevrolet avalanche silverado silverado classic suburban tahoe 2005 2009 gmc sierra sierra classic yukon models voltmeter fluctuation condition. However even when i just slow down and start turning the voltage will drop then come back up to 14. I have a 2009 silverado 1500. I have had many electrical problems.

2003 chevy silverado v8 two wheel drive automatic 135k miles i recently had to replace my battery in my 03 silverado and came to find out that my alternator was bad. South main auto repair llc 142 735 views. Apr 03 2018 11 45am. Chevy truck forum silverado sierra gmc truck forums.

I have changed out 3 alternators. Also since the starter motor did come alive and cranked the engine this result lets you know beyond a shadow of a doubt that the starter motor is good and that you need to look at the ignition switch or neutral. It happens 3 4 times per week. The starter motor cranked the engine this means that the starter motor is good and that you have an electrical issue keeping the starter motor from cranking the engine.

If i am stopping at a red light the voltage will drop but not enough to cause the engine to cutout yet and then come back up to normal. The voltage use to stay on 14 volts most of the time. I have a 2003 silverado 4x4 and i get a bad voltage drop when the tuck is in or out of gear and truck wants to die answered by a verified chevy mechanic we use cookies to give you the best possible experience on our website.