fast idle
your in the right spot. it is a short (3 or 4 inch) wire. here is what i wrote in the other thread just in case you missed it. get your flashlight and root around back there.
"you don't need any extra parts to enable the high idle on a manual trans!! i did mine and have posted how to do it before (on other forums). you need to have the dealer enable it, just like on the auto trans. the only other step is to ground the one wire. the wire is located on the firewall. driver side, far left bottom firewall. basically if you go staight back from the emergency brake handle to the firewall, you'll see a large wire harness, white in color. you can unhook that harness, and behind it there is a very short (4 inches maybe) dark green wire coming through the firewall. the wire has a heatshrink cap on the end. strip the end of the wire and ground it to one of the two bolts next to the harness. that's it! let me know if you need more info. you'll need your flashlight to see that little wire back there. that's it folks no money on any parts. that wire is for the optional clutch safety switch. it is really not needed, as the transmission has to be in neutral and the emergency brake set, in order for the high idle to activate. if you touch the brake pedal, release the emergency brake or put it in gear, the high idle will disengage."
"you don't need any extra parts to enable the high idle on a manual trans!! i did mine and have posted how to do it before (on other forums). you need to have the dealer enable it, just like on the auto trans. the only other step is to ground the one wire. the wire is located on the firewall. driver side, far left bottom firewall. basically if you go staight back from the emergency brake handle to the firewall, you'll see a large wire harness, white in color. you can unhook that harness, and behind it there is a very short (4 inches maybe) dark green wire coming through the firewall. the wire has a heatshrink cap on the end. strip the end of the wire and ground it to one of the two bolts next to the harness. that's it! let me know if you need more info. you'll need your flashlight to see that little wire back there. that's it folks no money on any parts. that wire is for the optional clutch safety switch. it is really not needed, as the transmission has to be in neutral and the emergency brake set, in order for the high idle to activate. if you touch the brake pedal, release the emergency brake or put it in gear, the high idle will disengage."
Thanks for the edit Ian....I understand it much better now.
1,000rpm, and if you have the high idle feature, you can bump it in incriments of 100 up to 1,500rpms.
edit----
I should make that more clear. the engine automaticly bumps the idle up to 1,000rpms at a certain temp (I am unclear as to which one) if you have the high idle, you can use your cruise control buttons to adjust the idle up to 1500. if you dont have the high idle, the engine bumps it up, then when its warmed up enough, it drops it back down. this is when the wooden dowl and electric seats come in handy.
edit----
I should make that more clear. the engine automaticly bumps the idle up to 1,000rpms at a certain temp (I am unclear as to which one) if you have the high idle, you can use your cruise control buttons to adjust the idle up to 1500. if you dont have the high idle, the engine bumps it up, then when its warmed up enough, it drops it back down. this is when the wooden dowl and electric seats come in handy.

your in the right spot. it is a short (3 or 4 inch) wire. here is what i wrote in the other thread just in case you missed it. get your flashlight and root around back there.
"you don't need any extra parts to enable the high idle on a manual trans!! i did mine and have posted how to do it before (on other forums). you need to have the dealer enable it, just like on the auto trans. the only other step is to ground the one wire. the wire is located on the firewall. driver side, far left bottom firewall. basically if you go staight back from the emergency brake handle to the firewall, you'll see a large wire harness, white in color. you can unhook that harness, and behind it there is a very short (4 inches maybe) dark green wire coming through the firewall. the wire has a heatshrink cap on the end. strip the end of the wire and ground it to one of the two bolts next to the harness. that's it! let me know if you need more info. you'll need your flashlight to see that little wire back there. that's it folks no money on any parts. that wire is for the optional clutch safety switch. it is really not needed, as the transmission has to be in neutral and the emergency brake set, in order for the high idle to activate. if you touch the brake pedal, release the emergency brake or put it in gear, the high idle will disengage."
"you don't need any extra parts to enable the high idle on a manual trans!! i did mine and have posted how to do it before (on other forums). you need to have the dealer enable it, just like on the auto trans. the only other step is to ground the one wire. the wire is located on the firewall. driver side, far left bottom firewall. basically if you go staight back from the emergency brake handle to the firewall, you'll see a large wire harness, white in color. you can unhook that harness, and behind it there is a very short (4 inches maybe) dark green wire coming through the firewall. the wire has a heatshrink cap on the end. strip the end of the wire and ground it to one of the two bolts next to the harness. that's it! let me know if you need more info. you'll need your flashlight to see that little wire back there. that's it folks no money on any parts. that wire is for the optional clutch safety switch. it is really not needed, as the transmission has to be in neutral and the emergency brake set, in order for the high idle to activate. if you touch the brake pedal, release the emergency brake or put it in gear, the high idle will disengage."
thanks
Works like a champ.
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EdmontonCanada
3rd Gen High Performance and Accessories (5.9L Only)
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Dec 9, 2009 03:18 AM



yeah, I figured I should re do that when I wrote it, and had no idea what I was trying to say.