alternator upgrade? (and ignition question)

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  • Matthew W. Woodruff
    327 Rambler
    • Nov 13, 2002
    • 642
    #1

    alternator upgrade? (and ignition question)

    Looks like my alternator is croaking.

    Anyone recommendations for a replacement?

    Are there any issues with going with the OEM heavy duty replacement (96 amps).

    I also have a rough idle that goes away at speed. Is there any chance that this is related to the alternator crapping out?

    Thanks.
    Matthew W. Woodruff<br />[email protected]<br />1989 Grand Wagoneer \"Laredo\"<br /><br />What works: tailgate window, rear wiper/washer, power windows, A/C, temp and compass, seat belt buzzer, fog lights, cruise control<br /><br />What doesn\'t: gas gauge, remote door locks, rear window defroster, cigar lighter
    Tags: None
  • Lindel
    Perfesser of Jeepology
    • Jun 15, 2000
    • 9205
    #2
    You can install the higher amp alternator, but you might notice that at idle it will actually show a discharge. Nothing to worry about, usually, but you need to be aware of it.

    The idle is probabaly not related to the alt. Most likely it's related to the spark plug or plug wires.
    Jeep Grounds
    RRV Homepage
    Texas Full Size Jeep Association
    1987 Grand Wagoneer
    AMC 360/TF727/NP229
    1999 Wrangler Sport
    4.0L/AX-15/NV231


    ?Freedom is never more than one generation away from extinction? by Ronald Reagan.


    Formerly of DFW/Gun Barrel City, TX - eventually to return...

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    • BostonWagoneer
      258 I6
      • Feb 26, 2001
      • 396
      #3
      Originally posted by Matthew W. Woodruff:
      I also have a rough idle that goes away at speed.
      If your engine is idling "at speed" then the idle is too high
      82 Wagoneer Brougham 360.176.208.44x2<br />63 Honda CB77 Superhawk 305 for sale!

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