Jim_Paget
Isuzu Moderator
Reged: 08/28/00
Posts: 4804
Loc: Mount Vernon, WA, USA
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I am looking for the schematic for the rear window defogger switch on a '91 Trooper. The upper part of the switch is lighted with the dash lights, the lower part is lighted with the switch activated, and oh, by the way, it sends current to the defogger. There are 5 pins in the harness.
I am going to use the switch to activate an electric compressor for some nefarious project.
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Jim Paget
88 YJ with a few changes
WWW.rrr4x4.com
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barak
Body Damage is Cool
Reged: 01/04/05
Posts: 1528
Loc: Airdrie, Alberta......Canada
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Did you look at my past post where someone was asking for wiring diagrams Jim?I posted the wiring diagrams for the engine and another for everything else for both a 2.6 and a 2.8 trooper , so it was good from 87-91 troopers.Also I think those wiring diagrams are still on my homepage if you take a look there.Not sure how well it will show the switch , but it should show the wiring , and from there you should be able to figure out how the switch is wired.Hope that helps  Oh , I believe the post was last month , nut not sure , would be easiest to just go to my homepage 
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1996 Jeep Grand Cherokee 5.2 with mods.Hughes Air gap intake , 52MM TB , ford injectors, 2 3/4" lift, Doug Thorley headers , HID headlights with LED , HID fog lights , glow gauges , a few others
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Anonymous
Unregistered
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Jim, I have a breakdown of this system but it's kinda large. I ziped after shrinkin, still 539K. If you'll PM with addy I'll send it or maybe my IP server will fix my web space up and I'll post it there and post a link here. Cal
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Jim_Paget
Isuzu Moderator
Reged: 08/28/00
Posts: 4804
Loc: Mount Vernon, WA, USA
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Actually all I need is a description of the pin-outs for the switch if that would be easier.
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Jim Paget
88 YJ with a few changes
WWW.rrr4x4.com
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Anonymous
Unregistered
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OK, the pinout for TII says:
Pin 1 to fuse 11 , pin2 and 4 to interior light sys, pin3 goes to defog and pin5 goes to ground (for "on" illum.) Hope this helps.
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Anonymous
Unregistered
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Here's a link to a zipped file of this circuit's schematic. I'll leave it up a while in case others need it. Cal
http://home.earthlink.net/~sonar/
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Jim_Paget
Isuzu Moderator
Reged: 08/28/00
Posts: 4804
Loc: Mount Vernon, WA, USA
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Great! That was exactly what I was looking for!!!
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Jim Paget
88 YJ with a few changes
WWW.rrr4x4.com
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RubyTrooper
Mudrunner
Reged: 02/23/04
Posts: 278
Loc: Denver, CO
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Jim,
I think that you and I are doing something veeeery similar at the same time.  Here's my offering:
<full size>
I "pinked" in the area that is the defogger switch.
Jim 
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Isuzu Trooper, '91, 2.8L, 3" PA BL, 1.5" SL w/DOR Shacklez, DOR Diff-Drop...
Go Rock Frogs
Ruby's got a theme song!!! Sing-a-long
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Fujisawa_Bob
Rock Warrior
Reged: 01/07/05
Posts: 524
Loc: Florida
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Quote:
Here's a link to a zipped file of this circuit's schematic. I'll leave it up a while in case others need it. Cal
http://home.earthlink.net/~sonar/
Hey, you answered one of my questions too! Regarding the location of the 20A defogger fuse. Your diagram says "Behind left side dash, right of steering column". Can't get much more descript than that. Sorry about the hijack.
So..what other diagrams do you have TroopaDoopa? I'll take any I can get since I don't have a service manual (Haynes and Chilton are so-so)
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89 Trooper
2.8 v6, 5 speed, Aisins
Perpetual Project and Faithful Friend
220,000+ miles
Nolite id cogere, capre malleum majorem
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CPOM
Body Damage is Cool
Reged: 10/19/02
Posts: 2285
Loc: Boston (roslindale)
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www.alldatadiy.com
Best info out there and you can't light it on fire like a manual can.
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CHRIS
98 Amigo, 92 Pup
need a pickup 1st gen fuel level sender
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