Hey guys my friend is trying to install a tach in his 2003 f-150. We have tried it on both wires on the coil pack and nothing. do you have to go into the cpu and if so where is it.our books show nothing?
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Hey guys my friend is trying to install a tach in his 2003 f-150. We have tried it on both wires on the coil pack and nothing. do you have to go into the cpu and if so where is it.our books show nothing?
dont those trucks have a factory tach? the chevy's do:LOL:
U need a Autometer tach adaptor, just follow the instructions and plug it in.