Four years ago my 86 had a similar problem.  When I dropped the front
housing and started working my way back I discovered that the wiring harness
connector (about even with the back of the front seats) had completely
melted and the wires were scorched about 6 to 8 inches in both directions.
I replaced the wires with a heavier gage wire and it has worked OK since
then. I also discovered that the 50 amp (?) fuse (looks like a flat piece of
copper between 2 screws) under the left rear D pillar was very deformed and
off-color but I left it alone.

Randy Herd
86 GL Weekender
68 Kombi
98 Cherokee
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