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Unread 07-23-2013, 12:40 PM   #1
slickguy87
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1989 YJ Wrangler 
 
Join Date: Feb 2005
Location: Ballston Lake, NY
Posts: 150
need help with wiring

Does anyone have wiring diagrams for these three sites? I just put in a Howell TBI and I think I got a little carried away with cutting wires. Neither my tach or the middle gauge cluster are working and the only thing I can figure is that I cut the wrong wire at some point. However I can't seem to sort all this out from the wiring diagrams in my Haynes manual

First is attached to battery tray bracket.
Second picture is drivers side firewall.
Third is on passenger's side firewall down and to the right of battery.

photo-1-.jpg

photo-3-.jpg

photo-2-.jpg

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89 YJ 4.2 Manual Tranny
4" lift
33 x 12.5 Destination MTs
Warn XD 9000
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Unread 07-23-2013, 12:53 PM   #2
SeanB95YJ
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1995 YJ Wrangler 
 
Join Date: Nov 2009
Location: Schenectady, New York
Posts: 1,185
first pic looks like your relays for things like horn & headlights
2nd pic is your bulkhead connector which goes to either your fuse box or the harness of the steering column (for ignition switch, etc)
the third looks like it might be the starter solenoid or some other sort of relay/solenoid

your wires for most of your gauges gauges should (not 100% sure on the earlier years like yours though) go through a grommet in the firewall somewhere closer to the middle... closer to your valve cover or intake.
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[FONT="Comic Sans MS"][COLOR="Blue"]Sean B. - Schenectady, NY - 95 YJ, 350/700r4/NP241, JB Shorty SYE, 8.8 rear, 2" BDS, 1" homebrew shackles, Daystar 1" BL, TJ flares, 35x12.50 General Grabber AT2 on 15x10 Bart D-Truckers, Polyshield polycarbonate windshield, HD over/under crossover steering
[/COLOR] [COLOR="Red"]swap/build thread: [url]http://www.jeepforum.com/forum/f22/after-almost-4-years-finally-my-own-build-swap-thread-1542284/[/url][/COLOR][/FONT]
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Unread 07-23-2013, 12:57 PM   #3
slickguy87
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1989 YJ Wrangler 
 
Join Date: Feb 2005
Location: Ballston Lake, NY
Posts: 150
Quote:
Originally Posted by SeanB95YJ View Post
r? or do you mean ARRR? like a pirate
ARRRR, like Are I having a hard time figuring out how to correctly post photos? That answer would be yes.
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89 YJ 4.2 Manual Tranny
4" lift
33 x 12.5 Destination MTs
Warn XD 9000
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Unread 07-23-2013, 01:52 PM   #4
dancytron
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1990 YJ Wrangler 
 
Join Date: Jun 2008
Location: st. louis
Posts: 1,221
On a 1990, the top picture is the relays for the pulse air solenoids and the manifold heater.

The bottom picture is definitely the starter relay. The post that has the 8 gauge or so wire going to it with 4 or so 10 gauge wires attached is the main power distribution for the whole jeep. Each of the 10 gauge wires starts with a fusible link. All of the power for the jeep other than the starter goes through there.

Get a Factory service manual for some decent wiring diagrams.

Starter relay info. http://www.jeepforum.com/forum/f12/n...ngine-1090178/
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Unread 07-23-2013, 02:13 PM   #5
slickguy87
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1989 YJ Wrangler 
 
Join Date: Feb 2005
Location: Ballston Lake, NY
Posts: 150
Quote:
Originally Posted by dancytron View Post
On a 1990, the top picture is the relays for the pulse air solenoids and the manifold heater.
Any way to tell which is which? With the TBI I know I don't the the pulse air anymore, but I was supposed to maintain the manifold heater.

I'm trying to avoid the expense of picking up an FSM, although it looks like that's going to be the way I go on this one.
__________________
89 YJ 4.2 Manual Tranny
4" lift
33 x 12.5 Destination MTs
Warn XD 9000
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Unread 07-23-2013, 02:29 PM   #6
dancytron
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1990 YJ Wrangler 
 
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Answer might be in here. http://www.jeepforum.com/forum/f12/s...rness-1283843/

Edit: Buck up and buy the factory service manual.
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Unread 07-23-2013, 06:11 PM   #7
slickguy87
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1989 YJ Wrangler 
 
Join Date: Feb 2005
Location: Ballston Lake, NY
Posts: 150
Quote:
Originally Posted by dancytron View Post
Answer might be in here. http://www.jeepforum.com/forum/f12/s...rness-1283843/

Edit: Buck up and buy the factory service manual.
Just did
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89 YJ 4.2 Manual Tranny
4" lift
33 x 12.5 Destination MTs
Warn XD 9000
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