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Username Post: intermittent electrical issues        (Topic#350138)
Forum Newbie
Posts: 1

Reg: 03-16-18
03-16-18 01:38 PM - Post#2727842    

Hello! I have two intermittent electrical issues with my 2009 Chevy Suburban. Looking for some help. I am not sure if they are related to each other or not.

1) Occasionally when driving along, suddenly all the power locks in the vehicle lock and unlock, lock and unlock, repeatedly. At the same time, the vehicle intermittently loses driving propulsion for a brief second then back on and off. The gauges also drop and then pop back up. This all starts and stops for several seconds and then resumes driving normally. I've noticed that perhaps this is triggered by accelerating the vehicle and letting off the gas helps it end. Obviously this whole situation is disconcerting such that my wife no longer wants to drive it. Can go for weeks without doing it then will do it again.

2) Other issue that happens occasionally - car sitting, engine off and get in to start it, it's like there is no electric to anything in the vehicle, no interior lights, door locks don't work, key fob doesn't lock or unlock doors, put key in and turn and nothing happens, but at the same time I hear a rapidly firing clicking (but not lock/unlock) coming from both the drivers and passengers door locks. it almost sounds like a "sizzling" (but is not burning) its kind of a quiet rapidly firing click. I'm not sure what makes it stop but it seems to stop at some point when I open the hood and get out of the vehicle. This also can happen once in a while, not for weeks then will do it.

Any ideas how to try to diagnose or fix these issues? Thanks.

"5th Year" Gold Supporting Member
Posts: 2454
Age: 32
Loc: Utica ny
Reg: 04-13-10
03-16-18 09:17 PM - Post#2727892    
    In response to heritageadam

first off check your battery connections.
If they are tight remove them and clean them.
If they are loose that is likely your issue

Old School GM fan FOREVER

Miami Son 
Forum Newbie
Posts: 16

Loc: God's waiting room
Reg: 08-03-17
03-27-18 07:39 AM - Post#2729100    
    In response to heritageadam

Yep, sounds like a battery connection issue. If not at the battery terminals could be where the battery connects to the fuse block.

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