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Tahoe & Suburban The power, space, and brutal towing ability make the Tahoe and its longer sibling, the Suburban, arguably the best full size SUV's on the market today.

2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

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Old 11-12-2013, 07:53 PM
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Default High Voltage Reading

Lately, my 2004 Suburban 1500 2wd has had the voltage gage pegged past the 19 volt mark. Truck starts and runs fine. What's the best way to start troubleshooting this problem?
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Old 11-12-2013, 09:17 PM
CF Junior Member
Join Date: Nov 2013
Posts: 84

Put your meter on battery and see what it is actually recharging at. Could be a cluster problem. A shop would be able to diagnose this very quickly for you. They can see what the actual voltage reading is being sent back to the IPC is and can perform a sweep test of gauges.
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Old 11-12-2013, 09:17 PM

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