redneckonthenet

I am in need of a tach signal for a 2004 cummins. I know that it is not the same as the 2003.

gatf4

On pcm left side of engine under intake manifold. I removed left front tire and inner fender shield to get to it. There are two connectors on PCM, the wire you need is in the connector on the left. I had to remove one 10mm bolt up about a foot on the harness to get enough slack to solder a wire to the tach wire. My diagram says orange plug pin 34. I thought it was the third row down and forth wire from the left, blue with a grey tracer. Good luck

redneckonthenet

Thanx for the input on the tach wire I will give that a try.

redneckonthenet

gatf4, thanxs once again for that tip on the tach wire it was PERFECT.No more problems with that starter over or under cranking!

gatf4

Glad it worked out for you. I love my remote start now that I finally got one!

Jc9995

Also, thought I would mention for people looking at this later. there are two connectors on top of the intake manifold. 4 wires each. the one closest to the front of the truck has a brown/blue wire. This is also a tach wire. easier to get to than the other one.