I have noticed the mileage improvements.
Jeep cherokee electric fan switch.
A switch which also provides a ground signal is connected to the old relay as well.
Automotive 10 50 10.
88 c the switch closes allowing current from the ignition switch to flow through the fan relay to ground activating the relay.
Electric fan override switch jeep cherokee on the last couple of off road outings i have had some trouble with my jeep cherokee overheating.
Here s the possible on off situations that would be faced.
Jeep cherokee electric cooling fan diagnosis repair.
Pcm off and switch off new wiring is invisible to the pcm 2.
Without the diode the manual switch powering the fan could activate the clutch.
Normally this jeep has performed well with respect to heat so this was a surprise to me.
How much is the electric fan against the muffler i can t say.
1 24 of 150 results for 2000 jeep cherokee electric fan.
When the relay is activated battery voltage is supplied to the fan causing it to operate.
When coolant temperature is below 190 f 88 c the switch is open.
Pcm on and switch off pcm activates new relay which in turn activates fan relay pcm isolated by new relay 3.
4 6 out of 5 stars 4 114.