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94 cherokee question

Posted: Mon Nov 14, 2011 10:12 am
by wesley4x4
so i recently baught a 94 cherokee 4.0 HO with an auto trans.. when i put it in reverse and give it a little NUT it blows the 2nd engine controller fuse under the hood and the engine dies... it only does this in reverse.. anyone have any gestimations why it would do this?

Re: 94 cherokee question

Posted: Mon Nov 14, 2011 10:16 am
by nostaw
Something is shorting only when in reverse.... Maybe check the Neutral Safety Switch on the side of the tranny.

JW

Re: 94 cherokee question

Posted: Mon Nov 14, 2011 10:21 am
by wesley4x4
thanks ill take a look and test it :)

Re: 94 cherokee question

Posted: Tue Nov 15, 2011 10:32 am
by nostaw
I should have said this before... I'd also track down a FSM and start examining wiring diagrams... Might be able to figure out what is on the circuit that only gets used when you're in reverse...

JW

Re: 94 cherokee question

Posted: Tue Nov 15, 2011 12:09 pm
by Kurt
Wes - I e-mailed you a PDF of the wiring diagram for your 1994 XJ. ;)