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alternator will not charge battery

i wolud like to see the wiring diagram of the charging system on a Model H60XM Serial umber H177B 13227W
  • Posted 9 Jul 2015 02:21
  • By kenneth_c
  • joined 9 Jul'15 - 2 messages
  • Missouri, United States
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loaded pic to my avatar or send me an email actionpaintball at yahoo. What engine do you have?
  • Posted 15 Jan 2016 05:07
  • By actionpaintball
  • joined 12 Jan'16 - 5 messages
  • Virginia, United States
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Does this one have a battery disconnect switch? If it does, and it switches two battery+ cables and two + wires, I have seen a bad switch cause poor charging. Put a voltmeter across battery and move the switch around slightly to see if volts go up. Trucks that are left outside a lot get this.

There also is a 50 amp blade fuse for charging on some models. It's located near the valve cover, front.

Also make sure you have a good alt ground and engine ground.
  • Posted 10 Jul 2015 11:20
  • By lumberjack
  • joined 27 Jul'07 - 181 messages
  • Maryland, United States
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someone at one time has changed the alternator and did not wire it correctly. they have one wire going from alternator straight to positive post of the battery
  • Posted 9 Jul 2015 03:10
  • By kenneth_c
  • joined 9 Jul'15 - 2 messages
  • Missouri, United States
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