Plug wire diagram 94 trooper 3.2 SOHC *fixed*

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Plug wire diagram 94 trooper 3.2 SOHC *fixed*

Postby Dylan » Tue Mar 01, 2011 10:03 pm

I have looked online EVERYWHERE, called isuzu dealers and also bought chiltons book. I cannot find a diagram of a 3.2 SOHC plug wire diagram. I have a miss on my trooper that im trying to figure out and i just want to be 100% sure its wired right first off. but apparently thats the hardest thing to find out so anyone that can help i would greatly appreciate.
Last edited by Dylan on Wed Mar 02, 2011 2:45 pm, edited 1 time in total.
94 Trooper 3.2 SOHC 5spd; 265/75R16 WildCountry AT, Magnaflow exhaust, 1" TB lift, superwinch hubs
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Postby merkur » Wed Mar 02, 2011 2:32 am

There are three coils with two plug wires to each. If you are facing the coils looking at the side the wires are hooked to, from left to right it is 523641. number 1 cylinder is passenger side front, 2 is drivers side front.
I love my three Isuzus for their four wheel drive excellence, but they are the slowest things on the road, and nobody seems to care enough to make some hipo parts.
98 Trooper 3.5 a total slug-Gone to daughter
96 Trooper 3.2 sohc even sluggier
92 Pickup 2.6 5 speed the sluggiest of them all-new engine ported head&exhaust. Not so sluggy anymore!
88 Thunderbird Turbo Coupe 2.3 turbo quick
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Postby boritz » Wed Mar 02, 2011 3:43 am

Cylinder map:

firewall
5 6
3 4
1 2
fan


In line with merkur's post the DIS (Direct Ignition System) Modules (coils) sitting on the top front of my 1997 engine are arranged like this:

engine
(5 2)(3 6)(4 1)
fan

The DIS modules fire the plugs in pairs 1 & 4, 2 & 5, 3 & 6
(one ignition spark and one 'wasted' into exhaust).
Two cycles thru' the DIS results in firing order 1, 2, 3, 4, 5, 6.

But the DIS layout below is from the Isuzu UBS Series 1992~ manual:

engine
(1 4) (6 3) (2 5)
fan

Either way, the original DIS modules had their respective cylinder number printed on them.
Aussie 1997 3.2V6 SOHC 6VD1 Holden Jackaroo SE (Isuzu Trooper/Bighorn/Monterey) 5-speed manual, rear LSD, front Lokka (manual free-wheel hubs).
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interesting

Postby Dylan » Thu Mar 03, 2011 5:12 pm

Ok so i figured mine out and it is layed out like this also wich confused me on finding the firing order


5 6
3 4
1 2
engine

(5 2)(3 6)(4 1)
coil

Fan

so for whatever reason my trooper is this way maybe cause its from alaska and they installed a cold weather plug in heater. or idk but im glad i have the order now it was driving me nuts cause none of the coils were labeled they were aftermarket.
but thank you and hopefully this can help others in the future
94 Trooper 3.2 SOHC 5spd; 265/75R16 WildCountry AT, Magnaflow exhaust, 1" TB lift, superwinch hubs
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Re: interesting

Postby boritz » Thu Mar 03, 2011 5:51 pm

Dylan wrote:Ok so i figured mine out...thank you and hopefully this can help others in the future


8) Thanks for posting back your results.
Aussie 1997 3.2V6 SOHC 6VD1 Holden Jackaroo SE (Isuzu Trooper/Bighorn/Monterey) 5-speed manual, rear LSD, front Lokka (manual free-wheel hubs).
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