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Questions and Answers

Dodge Caravan Front Blower Don't Blow

Q. Vince, My problem is on a 1996 Dodge Caravan 3.3 liter. It has A/C but is a short body and no rear heat or A/C. The trouble relates to the blower motor and its activation. My blower motor does come on. Haynes say the blower is activated by a relay. I need to find the location of this front blower relay and the fuse that powers it.

Dodge Caravan Front Blower Don't Blow

I work in the telephone business and am very familiar with DC wiring. Haynes say it is located in the PDC under the Hood, along with a 40 amp blower fuse in the PDC. Dodge owners manual shows the 40 amp blower fuse, #25, but does not mention any blower relay in the PDC.

All the relays in the PDC have designated legends on the cover, but none indicate they are for the front blower relay. Haynes also claim this blower relay is powered via a fuse in the junction box from under the dash, #12, 10 amp. Dodge owners manual contradicts this and shows no 10 amp fuse for the purpose of a blower relay, inside the junction box.

Actions so far:

  • Checked the blower with direct power and it works.
  • Checked for incoming resistance ground to the blower, from the dash control switch and it works.
  • Checked for battery at the blower, when the car is running. There is no battery to operate the blower
  • Rotated all the PDC relays around, they have the same ID, other than ABS pump. Blower still does not work
  • Rotated all the unmarked relays around in the junction box. Blower still does not work.
  • Checked continuity of 40 amp blower fuse, it's okay.
  • Checked most fuses for continuity in the PDC and Junction Box and they are okay.

Note, there is no burnt or corroded wiring. I just have to find the blower relay and its fuse. Can you help?

Thanks in advance...

A. This is easy enough, the Front Blower Motor Relay (A/C Relay) is behind the Junction Block with a black connector, B05.

Dodge Caravan Front Blower Don't Blow

Here is a wiring diagram so you can figure out the fuses and trace the circuit.

Dodge Caravan Front Blower Don't Blow

Additional Information provided courtesy of AllDATA

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