Hey guys, I own a 1989 Jeep Comanche 4.0 manual. Recently I've had issues with my turn signals and decided to check out the fuse box under the dash. A bunch of the terminals looked shot and as a result the PO hardwired seperate fuses. It looks like a mess to someone who has zero experience with vehicle electronics (to the point of no return).. 1989 Jeep Comanche Fuse Box. Jump to Latest 16K views 7 replies 4 participants last post by 87MJTim Aug 16, 2019. M. MRCLIVE Discussion starter. 28 posts · Joined 2007 Add to quote; Only show this user #1 · Sep 9, 2010 (Edited.
IIRC some MJ's had an issue with the brake booster leaking onto the panel. In any case, at least it's narrowed (relatively) to the fuse panel, although I don't think its directly related to the hazard relay. Pay particular attention to fuse 3 in the diagram that hornbrod provided as that's the most closely related with your issues, it seems.. 1989 Jeepanche Fuse Panel Diagram. Posted by Panel Diagram (Author) 2024-09-30 Jeep Liberty 2002-2007 Fuse Diagram. 2000 Jeep Grand Cherokee Fuse Diagrams U2014 Ricks Free Auto.