1. Welcome to PlowSite. Notice a fresh look and new features? It’s now easier to share photos and videos, find popular topics fast, and enjoy expanded user profiles. If you have any questions, click HELP at the top or bottom of any page, or send an email to help@plowsite.com. We welcome your feedback.

    Dismiss Notice

DO you need a heavy duty alternator on 1989 jeep?

Discussion in 'Jeeps' started by Luke, Nov 27, 2006.

  1. Luke

    Luke Junior Member
    from 10509
    Messages: 6

    Do you have to put a heavy duty alternator to plow or is the factory one ok on a 1989 YJ 6cyl.?
  2. PLOWMAN45

    PLOWMAN45 2000 Club Member
    Messages: 2,815

    i think that might me a 70 amp you can try to put 1 deep cycle battery from optima
  3. bryanj23

    bryanj23 Senior Member
    Messages: 135

    75 amp if it is stock in a straight Wrangler (not the islander or something) with a 4 liter inline 6.