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Old 06-30-2020, 03:17 PM   #11
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i have a new alt and new battery, all fuses are good and the battery light does come on in key on position and go off when truck is running but 2 seperate multimeters say i only have the initial 12.54 volts my battery has both running and engine off
Check your fusible links. If the black one is burned up the alternator wonít charge.
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Old 06-30-2020, 05:12 PM   #12
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this morning my alt is now charging at 13.82. i made no changes
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Old 06-30-2020, 06:57 PM   #13
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this morning my alt is now charging at 13.82. i made no changes
Check the connections at the battery, fusible links, and alternator for corrosion and security. They could be causing an intermittent failure.
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Old 06-30-2020, 07:25 PM   #14
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Check the connections at the battery, fusible links, and alternator for corrosion and security. They could be causing an intermittent failure.
I concur. If you don't go thru the proper TS routine, you'll never fix the problem.
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Old 06-30-2020, 08:18 PM   #15
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I concur. If you don't go thru the proper TS routine, you'll never fix the problem.
I know man, it kills me how some people just want to play a guessing game about what it could end up being. Like itís a game show and the first one to buzz in and guess the right answer wins. Letís work through it logically and save some time and money lol
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Old 07-02-2020, 06:58 AM   #16
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what is the "ts routine"
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Old 07-02-2020, 10:14 AM   #17
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what is the "ts routine"
Trouble Shooting Routine. Usually involves a step by step testing of components, as opposed to blindly replacing parts. It requires patience, a little skill with a multimeter and most importantly the ability to listen to people who might have experienced the same problems with their similar vehicles. If you are unwilling to do the prescribed testing. or unable to FOCUS on the information given by folks more expert, you will find yourself in quite a pickle. If you want to go about it solo, I would suggest you Google "BECT" and study, perhaps for months, "Basic Electrical Circuit Testing", then spend years learning how to apply it.
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Old 07-02-2020, 05:16 PM   #18
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well all eyes in this case, but please. i am willing to test and provide any ressults to further you guys idea and understanding of my situation.

please help lol
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Old 07-04-2020, 12:27 AM   #19
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Default still at it

tested and cleaned up fusible links today, all is well and tested fine. battery light on dash is on with key on engine off and battery light is off with engine running. i am getting 12.54 at battery but it will slowly climb like .01 every 2 seconds. tested the yelloe and black at alt plug and got 11.99 and on the white wire same plug im getting 12.09. all fuses check out and all wires and coonections are clean and appear fine.
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Old 07-04-2020, 12:12 PM   #20
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A question for my own education, do the voltage readings climb when the RPMs go up? My GUESS is they would increase until the voltage regulator limits the charging. Then again, "Whaddoo I know?"
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