SOURCE: Wiring diagram for 2005 Dodge
The most common problem would be a bad blower at which you can test for power at the motor connector with a testlight, the other most common problem is the resisitor ,theres one for the front blower and one for the rear blower, you may have a bad resisitor for the rear blower this resistor is located next to blower.theres also arelay in the fuse/relay box next to the battery under the hood,the best thing is to start testing for ower at the switch and work your way to resistor, i think you will find a bad resistor to rear blower motor.heres a complete wiring diagram of the whole front and rear heat and ac unit, everything is labeled good luck.
SOURCE: need wireing diagram for 2002 dodge grand caravan
------>>>FRONT>>>>of Van >>>>
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#5 cyl #6 cyl
#3 cyl #4 cyl
#1 cyl #2 cyl
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I COIL BLOCK I
I I
I #3 #1 #5 I
I I
I I Firing Order Is
I I 1 2 3 4 5 6
I #6 #4 #2 I
I _______________I_
the Wires Go Accordingly to prospective Terminals, So Sorry Unable to Send Pics through FixYa, A Formating Problem Exists
and they show on my end but not on your end this is TRUE and CORRECT To The BOOK other than the Lines from Coil to Spark Plug ENDS at CYLINDERS. Please dont Forget to RATE Me
Thank You And Happy Motoring!!
SOURCE: plug wire diagram for 2005 dodge grand caravan 3.3
This firing order diagram should help you out.
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