1993/1994 NJ Pajero electrical problems

Submitted: Friday, Mar 28, 2014 at 18:27
ThreadID: 106956 Views:2255 Replies:1 FollowUps:3
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I'm currently visiting dad, his pride and joy Pajero (I don't know why) has an electrical fault. The 40amp ignition system fuse under the bonnet keeps blowing, the alternator gets hot, and the black and white wire to the back of the ignition switch gets hot fast.

Dad insisted in replacing the ignition switch and alternator, but the same problem still exists… Then he decided to remove the alarm system… and the problem still exists lol.

The car will run until the 40amp fuse blows…

Please help me! I'm suffering!
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Reply By: Roughasguts - Friday, Mar 28, 2014 at 18:55

Friday, Mar 28, 2014 at 18:55
Does he have duel Batteries and a Isolation switch ?
AnswerID: 529330

Follow Up By: Suffering Son - Friday, Mar 28, 2014 at 20:54

Friday, Mar 28, 2014 at 20:54
no dual batteries, no isolation switch. new battery
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FollowupID: 812118

Follow Up By: Roughasguts - Friday, Mar 28, 2014 at 23:47

Friday, Mar 28, 2014 at 23:47
I see, clean and tighten battery Earth to Body, then clean and tighten A/C pump Earth strap to body, there is another one can't remember where! But without the 3 good clean Earths on the Pajero weird things happen with the vehicles.

Cheers
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FollowupID: 812135

Follow Up By: Suffering Son - Tuesday, Apr 08, 2014 at 10:15

Tuesday, Apr 08, 2014 at 10:15
finally found the problem, working my way through the gas system and petrol system.

the petrol tank has been modified for the gas to be fitted, the lined the inside of the tank with a rust proofer… All good until dad put a bottle of injector cleaner into the tank. Petrol smelt like kero/varnish. The pump was shorted.

All good now, replaced burnt wiring, damaged plugs, fuel pump, fuel filter, washed the tank out and fuel system.

Happy dad=happy son (and mum dads stopped grizzling lol)
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FollowupID: 812961

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