Datamaster shows 11.9-11.6 volts at idle?
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Registered User
Joined: Nov 2004
Posts: 197
From: El Paso TX
Datamaster shows 11.9-11.6 volts at idle?
Is this reading accurate. I have an overdrive pulley for the alt, and underdrive on the crank....( I said crank) Could this be a alternator/voltage regulator issue....could this be why my water pump/temps are high?
Registered User
Joined: Dec 1969
Posts: 27,727
From: Little Rock, AR
Re: Datamaster shows 11.9-11.6 volts at idle?
Take a reading at the battery with a meter at the same time you are monitoring with your software. I have seen some voltage drop through the ignition switch.
Registered User
Joined: Dec 2004
Posts: 454
From: So. Cal
Re: Datamaster shows 11.9-11.6 volts at idle?
I agree about taking a reading at the battery. There is a good 1/2 volt if not more between what my battery reads and what the software says. This is on my 3rd gen.
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