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Voltage Gauge Reading Low
Voltage Gauge Reading Low. The lowest reading on the gauge is 8. 2) using a long test lead measure the voltage between the positive post of the battery and the positive post.

I have checked with a voltmeter and i have good volts with lights on or not. The lowest reading on the gauge is 8. Voltmeter indicates lower than actual voltage your reading at the battery is indicating the amount of voltage stored in the battery.
If The Voltage Gauge Reading Is Significantly Different Than The Dmm, The Gauge Is Defective And Should Be Replaced.
This is typical of a properly operating charging system. So, before just replacing, can the gauge be adjusted? The lowest reading on the gauge is 8.
Posted On Dec 21, 2012.
Don't think it has anything to do with your 4x shifting prob i would check 4x switch and electric motor on transfere case. Wait 5 min then measure. Today, it didn't return to 14 volts.
So Normally My Volt Gauge Reads Around 10 Volts When I Start My Truck Up, Then Once The Gpr Clicks After About 10 Seconds, It Reads Right Around 14 (Needle Straight Up And Down).
Charging system is good, grounds gleaned and good. Car started at lunch and ran fine. The low charge # @ gauge could be caused by bad ground or high resistence in the wireing harness.
If Both Are Reading Low Or Zero Volts, The Problem Is In The Wiring.
But make sure whatever you do you check that plug on the alternator. Could i have shorted it when i replaced the wires to the new pcm? A fully charged battery should read close to 13 volts.
I Charged Up The A/C Today And I Noticed The Volt Gauge Was Reading Around 10V When The A/C Was Running.
Since the op said he believed the gauge was reading 5, i will say with conviction that the gauge is not working. 1) measure the posts of your voltage gauge with a multimeter to make sure it isn't just the gauge. The alternator is a napa premium new, and came with a build spec sheet that showed the alternator produced 12.80v prior to leaving the factory in 2010.
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