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2008 Chevrolet Tahoe. Intermittently the engine will not…

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2008 Chevrolet Tahoe. Intermittently the...
2008 Chevrolet Tahoe. Intermittently the engine will not crank. I found if I wiggled the negative cable it would start. I have changed the battery and the Negative cable assembly but the problem has returned. If I turn the key it will click and or the gauges will be black and sometimes if I wait a couple of minutes the engine will start fine and have no issues. Last night it acted up again. Wouldn't start everything in the dash is black but the headlights are brite. It finally started but when I was driving the gauges where acting funny and buzzing and bouncing. I obviously have a voltage issue here. Starting and charging systems have been checked a couple of times. When this happens I am not getting voltage to the starter?
Submitted: 7 months ago.Category: Chevy
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1/4/2018
Chevy Mechanic: Roy, import/domestic specialest replied 7 months ago
Roy
Roy, import/domestic specialest
Category: Chevy
Satisfied Customers: 7,901
Experience: ASE master tech for 40 years
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hello, my name is ***** ***** I will be glad to assist you. please allow me a couple of minutes to gather some basic info.

Roy

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Chevy Mechanic: Roy, import/domestic specialest replied 7 months ago

this could be ab issue with the body control module as it controls all the body functions. do you have a scan tool tht can monitor the body control module???

Roy

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Chevy Mechanic: Roy, import/domestic specialest replied 7 months ago

good, see if there are any codes in the body control module.

Roy

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Chevy Mechanic: Roy, import/domestic specialest replied 7 months ago

any update?

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Customer reply replied 7 months ago
Not until Monday
Chevy Mechanic: Roy, import/domestic specialest replied 7 months ago

ok, I hope the question does not time out

Roy

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Customer reply replied 7 months ago
No codes
Chevy Mechanic: Roy, import/domestic specialest replied 7 months ago

ok, whoever checked it was able to get into the body control module ??

can you see the starter relay being commanded on with the scan tool??

what is the charging system voltage when running???

Roy

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