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How does humvee trans know what gear to be in
Also when talking about the OEM TCM when you look remember this is an early "mechanical injection" version, think 6.2L, in the civy world by the time the 6.5L came out almost all 4l80Es installed used a completely different setup where the truck had an ECM, (all gassers also had ECMs) nothing... -
How does humvee trans know what gear to be in
Remember the very first thing is to make sure you have a working trans light when in run but not running. If you don't you cannot proceed, you could have a bad light, a power issue (or other wiring issue) to the TCM or a bad TCM. It is usually all down hill after getting a working trans light...