Quote:
Originally Posted by BigWhiteTruck
So where should I tap the 12v source if I'm using a remote start? I was thinking of using the Power Point but I dont know what will happen if I send a constant 12v. By constant, I mean even while the truck is off.
I want to leave high idle switch in the ON position and safely remote start the truck. What's the best 12v source to use?
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Well, you've got a few things to consider here.
First, with a recent flash in your ECM, your truck will "idle up" to about 1000 RPM automatically after it starts when it is cold out. This is a "free" feature that you don't need to do anything to get. It is also delayed a couple minutes after start until the oil starts flowing around the engine before it engages.
If you go with one of the other high idle options (either the PTO or BCP wires), then you need to remember to set the parking brake every time you stop the truck if you want this to work when you restart (needs to meet all the conditions before it will enter this mode).
You probably don't really want to hard wire the BCP or PTO high idle on all the time. It is a little hard on the engine to slam it in to high idle right after it starts (at least mine complains when I do this). It is much happier when you wait a couple minutes before you engage it.
As for where to get power? Well, have you looked to see what sort of options your remote starter has? Perhaps it has a controllable output that can be programmed to trigger your high idle?
Otherwise, you would probably want to use a Hot In Run source from the CJB under the steering wheel.
There are a few extra fuse positions under there that are typically not populated that you can tap for power with a 1/4" female Faston lug. I don't recall off the top of my head which positions those are, and which ones are Hot In Run... get your meter or test light out and poke around.
You could always drill a little hole on the lower part of the dash there somewhere, and stick in a little toggle switch so that you can easily disable the feature if you aren't using it. If you have it all pulled apart to wire up, it is only a couple minutes more to buzz a hole and install the switch.
Lee