High Idle mode ??
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Senior User
Joined: Jul 2010
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High Idle mode ??
A couple weeks ago i connected the wires and now have the "high idle mode". Its not really terribly important to me except its just another cool mod to have. It will be great for charging batteries or giving someone a jump,, (but try not to do that much). My question is,, on a cold morning and it sounds like you left a pipe wrench in the motor when it starts,, is it ok to flip the switch and bump the rpms up. I know thats what its for, but some mornings it has sounded pretty pitiful. Just seems mean to ask it to do more. Just didnt want to stress the motor when i shouldnt,, is it any times when you shouldnt use it?? thanks.
Fleet Mechanic
Joined: Oct 2007
Posts: 1,712
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From: Henderson, NV
A couple weeks ago i connected the wires and now have the "high idle mode". Its not really terribly important to me except its just another cool mod to have. It will be great for charging batteries or giving someone a jump,, (but try not to do that much). My question is,, on a cold morning and it sounds like you left a pipe wrench in the motor when it starts,, is it ok to flip the switch and bump the rpms up. I know thats what its for, but some mornings it has sounded pretty pitiful. Just seems mean to ask it to do more. Just didnt want to stress the motor when i shouldnt,, is it any times when you shouldnt use it?? thanks.
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I just here lately became my own oil change person,, and i got it from a dealership, so to be honest i'm not sure what oil is in it at this time. I will probably make that change before cold weather get here. You know,, it doesnt sound that bad when its freezin but it is a diesel, and my father in law always says a diesel sounds like you left the mechanic in the motor..ha ha.. I have plugged it in,, but now i here it will get addicted to the heat,, i was just wondering when it was ok to flip the switch when its 10 degrees outside.
Laughing Gas
Joined: Dec 2004
Posts: 886
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From: NC
I have the high idle mod. Works great. I dont use it in the summer but during the winter I use it alot.
I would turn the truck on and let it run about 30 seconds to make sure oil pressure is up then flip the switch.
If its cold enough then you wont have to turn on the mod. The computer will bring it up on its own trying to warm up.
I would turn the truck on and let it run about 30 seconds to make sure oil pressure is up then flip the switch.
If its cold enough then you wont have to turn on the mod. The computer will bring it up on its own trying to warm up.
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Joined: May 2009
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If its plugged in youll be 80deg in the block even at 10below. I dunno what the oil would be. I flip high idel on about 30 45 seconds after it starts. Your not putting a load on it so I wouldnt think it would hurt it. Im sure if Im mistaken Ill get corrected. lol
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great, thanks.. I was remembering when i hooked it up, in the cold mornings the rpms were up and soon as the brake was touched it went off. These computers are quite smart.
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Laughing Gas
Joined: Dec 2004
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From: NC
yes they are!! They know too much sometimes. My 6.0 has remote start so on the cold mornings it fires up and after 30 seconds it starts to tach up on its own so then no mod needed! Good luck buddy!!!
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From: Inverness, Fl
I'm hitting easy street
Joined: Nov 2009
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From: Central Oregon
TheDieselStop.Com - www.thedieselstop.com
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Joined: Dec 2004
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From: Happy Valley, Oregon
Remember the 05's directions are on the second link on that page.:
TheDieselStop.Com - www.thedieselstop.com
TheDieselStop.Com - www.thedieselstop.com
I am an idiot. No switch though as the e brake works great. I have so many wires under there as my alarm stuff and stereo and amp wires as well as all 4 upfitter switches full.
First page.
Laughing Gas
Joined: Dec 2004
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From: NC
I like this mod. You control when you want it to tach up!
Junior User
Joined: Dec 2009
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From: Saint Louis
Just to clariy and make sure i'm understanding how to do this..........If you were to take the blue wire with yellow stripe from under the hood and touch it to the battery the truck would go into high idle? The only reason for using the blue/white wire under the dash is that it is hooked into the fuse panel, is that correct?
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