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Old 04-16-2019, 09:51 PM   #1
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Join Date: Aug 2017
Location: Carpinteria ca.
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Year: 2000
Coachwork: Myself
Chassis: Gmc/bluebird
Engine: Cat 3126 190hp Allison 545
99 3126 cruise control?

Any recommendations on installing a CC unit? The pedal has a 3 pin harness coming out. It also has a spring. So I guess itís analog? Yet is electrical too? I havenít found a straight forward answer on the all knowing google. Maybe yíall got a good guess? Thanks.
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Old 04-17-2019, 01:36 PM   #2
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As best as I understand it, In a 2000 model the cruise control is a function of the ECM.

I have seen folks achieve a functioning cruise control by adding a switch and enable the feature in the ECM.
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Old 04-24-2019, 04:14 PM   #3
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Quote:
Originally Posted by PNW_Steve View Post
As best as I understand it, In a 2000 model the cruise control is a function of the ECM.

I have seen folks achieve a functioning cruise control by adding a switch and enable the feature in the ECM.
Got any Links to those threads? I'm trying to do the same with my 02 3126
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Old 06-27-2019, 05:38 PM   #4
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Talk to your Cat dealer. They can probably, as the other guy said, enable it in the configurations menu. Then you add the cruise control switch. May have to wire it in to the ECM as well if the harness isn't already wired for it.

Or you can find a Field Service guy at home on a weekend and get him to put his laptop on it if he has the proper connector for your bus.
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Old 06-27-2019, 06:33 PM   #5
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there is a whole thread on this somewhere on this forum... having to add a harness and the switches and then enable it in the ECM I believe.. at least on the FS-65.. the flat nose thomas's like the HDX's have the harness already on board.. a friend of mine put the switches in and the cruise just works on his HDX
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Old 06-30-2019, 05:16 PM   #6
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Join Date: Aug 2018
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Quote:
Originally Posted by cadillackid View Post
there is a whole thread on this somewhere on this forum... having to add a harness and the switches and then enable it in the ECM I believe.. at least on the FS-65.. the flat nose thomas's like the HDX's have the harness already on board.. a friend of mine put the switches in and the cruise just works on his HDX
That was my thread.

I found some switches that will work. In the process of using cat et to do a cylinder cutout test I made sure that cruise was enabled (it seems to be)
Once I fix the engine I willwhy are in the switches and we will see what happens
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Old 07-05-2019, 03:28 AM   #7
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Join Date: Sep 2015
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Quote:
Originally Posted by Ab01ns View Post
That was my thread.

I found some switches that will work. In the process of using cat et to do a cylinder cutout test I made sure that cruise was enabled (it seems to be)
Once I fix the engine I willwhy are in the switches and we will see what happens

PLEASE keep us posted!
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