acy76
Mudrunner
Reged: 12/04/03
Posts: 354
Loc: Twin Cities
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Hello all -- I've been busy converting my 88 Trooper to diesel (details and links here: 4x4 wire thread ) and I'm currently involved in the wiring. I've decided to remove all the unnecessary wiring to clean the engine bay up and simplify the vehicle. I am wondering about a couple of things:
1) Does the ECU control anything other than engine management? As in, can I remove the ECU and harness and not affect any other subsystems?
2) What is the best source for a comprehensive wiring diagram for this vehicle? I've got the Haynes manual already.
Thanks.
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1988 Isuzu Trooper LS
2.8l Isuzu 4JB1-TC intercooled turbo diesel
www.dieseltrooper.blogspot.com
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acy76
Mudrunner
Reged: 12/04/03
Posts: 354
Loc: Twin Cities
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I should add that I've found a used 91 Trooper electrical factory manual - is this sufficiently similar to the 1988 that I could use it?
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1988 Isuzu Trooper LS
2.8l Isuzu 4JB1-TC intercooled turbo diesel
www.dieseltrooper.blogspot.com
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thecure7
Wheeler
Reged: 06/07/05
Posts: 222
Loc: Dallas, TX
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Quote:
I should add that I've found a used 91 Trooper electrical factory manual - is this sufficiently similar to the 1988 that I could use it?
It should be. I believe the 88-91 should be the same. 87 Prior is different if I am not mistaken. Someone chime in and correct me if I am wrong...
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1992 Land Rover Range Rover 3.9L V8
1995 Honda Passport V6 4x4
1989 Isuzu Trooper 2.8L V6 Manual ~Sold
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barak
Body Damage is Cool
Reged: 01/04/05
Posts: 1528
Loc: Airdrie, Alberta......Canada
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Ok guys , heres some goodies from my alldata cd's.It has the 2.6 and 2.8 engine wiring and chasis wiring from 88-91.
They are sitting on my site if anyone wants the link to them also to grab them.Hope it helps everyone out 
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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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thecure7
Wheeler
Reged: 06/07/05
Posts: 222
Loc: Dallas, TX
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Sweet man, that is perfect! Hope it helps him out!
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1992 Land Rover Range Rover 3.9L V8
1995 Honda Passport V6 4x4
1989 Isuzu Trooper 2.8L V6 Manual ~Sold
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acy76
Mudrunner
Reged: 12/04/03
Posts: 354
Loc: Twin Cities
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Thanks for the diagrams. For everyone who has only the Haynes manual, grab these as they're worlds better.
I still went ahead and ordered the ETM for the 1988 model, but these got me much farther than I would have gotten with only the Haynes.
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1988 Isuzu Trooper LS
2.8l Isuzu 4JB1-TC intercooled turbo diesel
www.dieseltrooper.blogspot.com
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