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Need Chevy Duramax High Idle help

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I'm a Cummins owner, so the Chevy thing is kind of foreign to me. I know there is an easy way to connect to two pins and activate the factory high idle on a Cummins. Is there any similar (easy) way to put high idle on a Duramax? Here is why:



-I work for a company that sells and services equipment for fire departments.

-Recently a customer gave us a 2007 (but prior to particulate filters) one ton Chevy diesel crew cab 4x4 automatic cab and chassis.

-We are preparing this truck to be used as a small fire truck.

-We do these trucks often, but this is our first Chevy (most are fords, for the extra capacity of the 450s and 550s).

-Now that we have added all of the electrical items (warning lights, scene lights, radios, siren, winch, the starter motor for the pump, etc. ) we find that we need a high idle switch to keep the truck happy should all of the items be run at the same time.



-Is there an easy way to add a high idle switch to this truck?
 
One other thing, this is a stripped down truck, no cruise control. Also, the need for high idle is electrical only (not temperature). It needs to be simple (one switch) because it will be on a fire truck.
 
I did it on my 2001 Duramax. I had to add a wire from a pin on the computer to 12v and add a switch. This engaged an internal setup that GM already had for the PTO. You then used the cruise control buttons to activate it. It had 3 speeds.



I have instructionsHERE on that but probably won't do you any good.



The newer ones probaly are different but yes I'm quite sure you can activate it ... maybe it's already there ... did you read the manual?



I installed the switch on the pillar. .



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You could install a manual twist lock throttle cable. That's what I put on mine. Pics are in my RR's.



Randy
 
RDyson said:
You could install a manual twist lock throttle cable. That's what I put on mine. Pics are in my RR's.



Randy



Thanks. I thought of that and brought it up to our shop manager. Liability makes it a no go. If it were for personal use, I would. This is a truck we are building for a customer. The liability if it stuck and there was an accident would kill my company.



Thanks for your thoughts on it though.
 
GM came through

I've got the info from GM. I can e-mail it to anybody that needs it. PM me and I will get it to you.
 
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