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04-29-2004, 04:32 PM
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#1 |
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driving is in my blood
Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,734
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volt meter?
OK, Im finally going to break down and ask. What exactly is my factory volt meter showing me? Volts in the system avalible? Charging volts? Volts in the battery? I dunno, never liked electical stuff
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-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me. |
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04-29-2004, 05:27 PM
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#2 |
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Registered User
Join Date: Dec 2003
Location: CT
Posts: 454
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Battery voltage because witht he engine off it should read around 12, but with the engine running and alternator turning it should go up to around 13-14.
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04-29-2004, 06:31 PM
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#3 |
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Registered User
Join Date: Oct 2002
Location: Phoenix, Arizona
Posts: 4,703
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I believe your gauge is reading volts in the system (wires).
If the truck is not running then it shows battery volts only.
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04-29-2004, 09:27 PM
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#4 |
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Right turn Clyde
Join Date: Nov 2002
Location: Cincinnati, Ohio
Posts: 2,911
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So is it bad if mine is a hair less the than the red? The needle isn't in the red just like where the line is before the red. So Im guessing that is 16?
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1974 C25 LWB: 454 4bbl Carb / TH400 / 3.73 1992 Camaro RS 305 TBI |
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04-29-2004, 10:15 PM
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#5 |
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Registered User
Join Date: Feb 2004
Location: Hodgenville, Ky
Posts: 735
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You may want to verify with a multimeter that it is reading corectly. Charging that high will boil the water out of the battery so be carefull.
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04-30-2004, 12:20 AM
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#6 |
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Right turn Clyde
Join Date: Nov 2002
Location: Cincinnati, Ohio
Posts: 2,911
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How would I check it? There does seem to be white stuff always on the battery tray. Im a little lost when it comes to the electrical side of things.
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1974 C25 LWB: 454 4bbl Carb / TH400 / 3.73 1992 Camaro RS 305 TBI |
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04-30-2004, 10:22 AM
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#7 | |
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Registered User
Join Date: Oct 2003
Location: Chesapeake, VA
Posts: 734
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Quote:
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Semper Paratus |
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04-30-2004, 10:26 AM
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#8 |
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Registered User
Join Date: Feb 2004
Location: Hodgenville, Ky
Posts: 735
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Just take the leads of the multimeter and conect (touch) them to the proper battery post. (red to (+) and black to (-)) with the multimeter set to show DC voltage in the range up to 20 volts. With the truck engine off it should read around 12 -13 volts for a healthy battery. With the engine running you would like to see about 15 volts. I'd get nervous around 16. You may want to rev the endine a little during this test because alternators are not very efficient at idle speeds.
Hope this helps. |
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