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Cooter178
Cooter178 5/31/2011
1999 Mercury Cougar V6 6Cyl2.5L - Body & Interior
Battery not charging
friend hooked up jumper cable backwards, replaced battery, alt. still won't charge.
4 Answers
  • Spoon Sports
    Spoon Sports 5/31/2011
    Anything else you are not telling me? Because right now all i can think of is a new battery, there are other cases wherein every fuse existent to your car and man-kind blew up. Worst case scenario would be a burned ECU
    Reply
    0
    Spoon Sports
    Cooter178 5/31/2011
    So far I have found that the reverse polarity protection diodes(one in fuse panel under the hood and one under ths dash) are fried. Where can I find replacements?
  • Bill
    Bill 5/31/2011
    Look for a fusible link on positive battery cable and or/and with this terminal disconnected run a continuity *OHM*
    test between terminal clamp and alternator bat post terminal
    Reply
    0
    Bill
    HouseCallAuto 5/31/2011
    That would close in on it also. This test will uncover an open circuit.
  • HouseCallAuto
    HouseCallAuto 5/31/2011
    Replace the 175 amp mega fuse located at the rear of the engine, center of rear valve cover under the coil bracket.
    Reply
    0
    HouseCallAuto
    Cooter178 6/1/2011
    Replaced fuse now showing 14 plus volts at battery but the securty system still going off and radio not working. any ideas this thing is driving me crazy.
  • Spoon Sports
    Spoon Sports 6/10/2011
    Up for HCA, im stumped on this one
    Reply
    0
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