Jacobs Exhaust brake
05-08-2011, 07:32 PM
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Jacobs Exhaust brake
Well I bought a used jacobs exhaust brake the ISB-tmvo-mopar and i got it mounted in there and beings how its used i have no instructions. I got it to work once i kinda figured out what i was workin with but once i got the one wire in pin #20 it doesnt work. I was wondering if i need a seperate power wire or if im supposed to get power from the ECM itself. We found some instructions for a Pacbrake and thats were i found the pin number 20. got on alldata and pin 20 is just an accessorie pin. Pin number 28 is the actual trottle position sensor but no not to splice into any of them. If anybody has put one of these brakes on anything will help. Thanks
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