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Unread 03-24-2012, 10:07 PM   #1
godzilla89
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1989 YJ Wrangler 
 
Join Date: Mar 2012
Location: North Huntingdon, Pa
Posts: 10
wont start

I have a 89 YJ with a 93 Grand Cherokee 4.0 inline 6. It was running perfect the other day, now it wont start, the battery is brand new, the alternator is good. But there is no power getting pasted the starter solenoid on the firewall. I can not find the engine fuse box and I have looked everywhere in the jeep (not many places to hide it). This is my last effort before I take it to a shop and have them fix it. I'm open to any ideas

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Unread 03-25-2012, 12:40 AM   #2
mangoman123
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1990 YJ Wrangler 
 
Join Date: Oct 2011
Location: Niceville, Fl
Posts: 298
Put the original motor back in it lmao. The 4.2l is alright
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Unread 03-25-2012, 06:02 AM   #3
brentd711
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1990 YJ Wrangler 
 
Join Date: Aug 2010
Location: Maine
Posts: 360
From your profile it looks like you put a '93 motor in it. Did you just use the '93 block and keep the '89 wiring?

I think they had fusible links in the engine bay wiring in both the early and later models.
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Unread 03-25-2012, 06:38 AM   #4
kdub2886
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Join Date: Feb 2012
Posts: 1
Neutral safety switch ?
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Unread 03-25-2012, 08:25 AM   #5
Mark05059
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1989 YJ Wrangler 
 
Join Date: Mar 2009
Location: quechee Vermont
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Quote:
Originally Posted by kdub2886 View Post
Neutral safety switch ?
not with a manual trans.
__________________
1998 ZJ 5.2 Auto

1989 Wrangler Black Bone Stock 2.5l 5spd
/l , [____],
|---L--[]lllllll[]-
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Unread 03-25-2012, 09:20 AM   #6
inlinerubi
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Join Date: Mar 2012
Posts: 69
I did a similar thing to my yj but I put a 327 small block in it
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Unread 03-25-2012, 08:36 PM   #7
godzilla89
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1989 YJ Wrangler 
 
Join Date: Mar 2012
Location: North Huntingdon, Pa
Posts: 10
Quote:
Originally Posted by mangoman123 View Post
Put the original motor back in it lmao. The 4.2l is alright
i bought it this way, if I had down an engine swap it would have a V8 in it now.
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Unread 03-25-2012, 09:45 PM   #8
mangoman123
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1990 YJ Wrangler 
 
Join Date: Oct 2011
Location: Niceville, Fl
Posts: 298
That's the whole problem lmao. No, check your flux capasitor under your driver side fuse panel. If that's not it make sure your radiator belt is tight but not too tight. May just need some muffler bearings
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Unread 03-26-2012, 07:44 AM   #9
Que89YJ
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1989 YJ Wrangler 
 
Join Date: Apr 2008
Location: Detroit, Michigan
Posts: 15,152
It came stock with fuseable links so there is no fusebox under the hood. They look like wires and there are 5 or 6 under the hood if you have the stock wiring. You will see them coming off the starter relay on the firewall. Check the fuses in the fuse box at the drivers feet too. There is an ignition fuse there.
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Unread 03-26-2012, 09:25 AM   #10
godzilla89
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1989 YJ Wrangler 
 
Join Date: Mar 2012
Location: North Huntingdon, Pa
Posts: 10
Quote:
Originally Posted by Que89YJ View Post
It came stock with fuseable links so there is no fusebox under the hood. They look like wires and there are 5 or 6 under the hood if you have the stock wiring. You will see them coming off the starter relay on the firewall. Check the fuses in the fuse box at the drivers feet too. There is an ignition fuse there.
is there gonna be fuseable links even with the engine swap? All the fuses in the fusebox there are good.
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Unread 03-26-2012, 09:31 AM   #11
Que89YJ
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1989 YJ Wrangler 
 
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The engine might have been swapped but they kept the original setup. If it has a carburator then the sytem was left original with just swapping the block.
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Unread 03-26-2012, 09:53 AM   #12
brentd711
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1990 YJ Wrangler 
 
Join Date: Aug 2010
Location: Maine
Posts: 360
I thought a saw fusible links in my '93 YJ engine harness, was I seeing things?
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Unread 03-26-2012, 11:20 AM   #13
Que89YJ
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1989 YJ Wrangler 
 
Join Date: Apr 2008
Location: Detroit, Michigan
Posts: 15,152
You are seeing things. Fuseable links went away with the PDC in 91. Fuseable links were replaced with fuses.
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Unread 03-26-2012, 01:35 PM   #14
godzilla89
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1989 YJ Wrangler 
 
Join Date: Mar 2012
Location: North Huntingdon, Pa
Posts: 10
Quote:
Originally Posted by Que89YJ View Post
You are seeing things. Fuseable links went away with the PDC in 91. Fuseable links were replaced with fuses.
its a 93 grand cherokee engine so why does it have fuseable links if its a 93?
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Unread 03-26-2012, 01:45 PM   #15
jaycal3
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1993 YJ Wrangler 
 
Join Date: Mar 2009
Location: , Ct
Posts: 1,111
I'm coming into this a bit late, but are you getting spark? Have you checked the ignition module?
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electrical issue , help please , wont start

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