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I think the resistive element is right beside the heater core so there would be quite a bit of interior disassembly to get to it. I bet the hardware costs aren't bad, but it will be either time or labour cost to implement it.
Tonight I started the truck and put heat on high, fan full on, vents on. Had heat coming out within maybe five minutes. Don't think the engine would be supplying heat that fast.
My centre stack buttons are all dark at night too even though when I shut it off the stack buttons light up. Must be a setting somewhere as cluster brightness doesn't change it. So many things to figure out, such a big manual to read.
Tonight I started the truck and put heat on high, fan full on, vents on. Had heat coming out within maybe five minutes. Don't think the engine would be supplying heat that fast.
My centre stack buttons are all dark at night too even though when I shut it off the stack buttons light up. Must be a setting somewhere as cluster brightness doesn't change it. So many things to figure out, such a big manual to read.
The rapid heat option requires either the 200 amp high output alternator or the dual alternator option. Think of it as a hair dryer in your heating system. The heat it puts out at idle from a cold start is noticeable only at the lowest fan setting .on my truck with the auto climate control it starts at the lowest fan speed and the air is warm but if you increased fan speed to max it would not be noticeable. If you must have it warm as soon as you start consider an espar or webasto. Don't waste money trying to retrofit rapid heat, it is of some value but certainly not worth the effort of retrofit (I suspect it would not work without changing the PCM as well)