1998 Chevrolet C6500 (topkick)

batty1214 · 11-07-2009, 06:58 PM

I need all ya'lls help again...... this time I am looking for the Wiring diagrahm for a 1998 Chevrolet topkick..... I am needing to know where the speed sensor for the speedometer is at, as well as the electrical input for the Tachometer...... all the gauges work, except these two..... To my knowledge, they have never worked....... I would worry about getting them working except MSHA is wanting them to, and what MSHA wants, they get......

I have installed a new gauge cluster with no change............

Oh, It has the Caterpillar diesel and spicer 7 speed transmission

Steve g. · 11-07-2009, 07:03 PM

Did you look on the rear end already? That's where it is on my truck.

batty1214 · 11-07-2009, 07:11 PM

yeah, not finding it.......

leolkfrm · 11-07-2009, 08:41 PM

top of the tranny behind the dizzy, yo have to get at it from underneath

batty1214 · 11-07-2009, 10:51 PM

This truck doesnt have a dizzy Leo, Its a Caterpillar 3116..... But, I'll bet its still in that area somewhere...... where would the Tachometer run off of?

leolkfrm · 11-08-2009, 05:28 AM

sorry thought it was an 8.1 gas!

11-07-2009, 06:58 PM	#1
batty1214 Senior Member Join Date: Nov 2008 Location: Vernal Utah Posts: 1,135	1998 Chevrolet C6500 (topkick) I need all ya'lls help again...... this time I am looking for the Wiring diagrahm for a 1998 Chevrolet topkick..... I am needing to know where the speed sensor for the speedometer is at, as well as the electrical input for the Tachometer...... all the gauges work, except these two..... To my knowledge, they have never worked....... I would worry about getting them working except MSHA is wanting them to, and what MSHA wants, they get...... I have installed a new gauge cluster with no change............ Oh, It has the Caterpillar diesel and spicer 7 speed transmission

11-07-2009, 08:41 PM	#4
leolkfrm Senior Member Join Date: Mar 2008 Location: N.Y. Posts: 4,300	top of the tranny behind the dizzy, yo have to get at it from underneath __________________ 4 wheels move the body 2 wheels move the soul B.W.A.I

11-08-2009, 05:28 AM	#6
leolkfrm Senior Member Join Date: Mar 2008 Location: N.Y. Posts: 4,300	sorry thought it was an 8.1 gas! __________________ 4 wheels move the body 2 wheels move the soul B.W.A.I

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11-07-2009, 07:03 PM	#2
Steve g. Senior Member Join Date: Aug 2008 Posts: 245	Did you look on the rear end already? That's where it is on my truck.

11-07-2009, 07:11 PM	#3
batty1214 Senior Member Join Date: Nov 2008 Location: Vernal Utah Posts: 1,135	yeah, not finding it.......

11-07-2009, 10:51 PM	#5
batty1214 Senior Member Join Date: Nov 2008 Location: Vernal Utah Posts: 1,135	This truck doesnt have a dizzy Leo, Its a Caterpillar 3116..... But, I'll bet its still in that area somewhere...... where would the Tachometer run off of?