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Charging system

Tiny
JOTEGG
  • MEMBER
  • 1991 HONDA ACCORD
  • 2.2L
  • 4 CYL
  • 2WD
  • MANUAL
  • 170,000 MILES
Brand new battery and alternator installed. Reading 12.6 volts car off. Start 12.6 volts. Returned alternator, installed. No change same voltage. Test light big wire hot. Four prong plug has one wire that gets hot when key comes on. Jumper wire from battery (+) and touched the others briefly to see if voltage changed. No change, not up or down. Any ideas?
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Sunday, September 16th, 2018 AT 2:16 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,896 POSTS
Hi and thanks for using 2CarPros. Com.

I have attached the charging system wiring schematic for you to reference. The first thing I need you to check is fuse number 15. It is an 80 amp fuse between the alternator and the battery. It is located in the under hood fuse box.

Sorry, but I had to break the schematic into two pictures for it all to fit.

Let me know what you find.

Joe
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Monday, August 24th, 2020 AT 2:41 PM

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