Originally Posted by
roadrunner01
when i did my 07 i just hooked the two wires together and high-idle is activated by depressing the e-brake. i don't have the upfitter switches and didn't see the need to add a switch. whenever i want the high-idle i just depress e-brake and trans in park
Roadrunner, What two wires? I just ran mine to the fuse box with a 10a fuse in an unused spot.