If it's a heavy gauge (around 8 AWG IIRC), that's the charge wire to the alternator BATT post.
The larger cable (about 4 AWG) goes to the starter.
Red is positive. If they are both black then the cable that is connected to ground is negative and the other cable is positive.
Isuzu Trooper was created in 1981.
1999 Isuzu trooper
How do I reset the CPU in a 1999 Izuzu trooper. After the battery went completely dead at will not start due to the cpu. (Battery now charged
timing marks for 1996 Isuzu trooper
The 6VE1 3.5L V6 fitted to the Isuzu Trooper was manufactured in-house by Isuzu themselves
The trooper is made by Isuzu
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Bottom of Engine Block, on passenger side. Below oil dipstick and oil filler hole. Follow Battery cables - both ground and positive lead to the starter. Hard to get to.
The sister vehicle of the Isuzu Trooper is the Acura SLX
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