Calgary Jeep Association

4x4 Related Groups => Tech Talk => Topic started by: Pookapotamus on November 12, 2010, 06:32:11 AM

Title: heater fan control module
Post by: Pookapotamus on November 12, 2010, 06:32:11 AM: i have gone through 3 heater fan control modules in the last 2 months! any one else have this issue? or have any insite on how to rectify this? is there a beefed up version of this?

Pook
Title: Re: heater fan control module
Post by: ornamental on November 12, 2010, 07:36:28 AM: is that the resister pack your talking about?
Title: Re: heater fan control module
Post by: Pookapotamus on November 12, 2010, 08:22:01 AM: yes >:(
Title: Re: heater fan control module
Post by: BlackAura on November 12, 2010, 12:15:14 PM: Bad Ground?
Located in a place with lots of heat?

Do you have an old / dead module? could try to figure out where it's failing?
Title: Re: heater fan control module
Post by: morerpmfred on November 13, 2010, 08:17:28 AM: When one goes the other is going as well . Change the heater fan as well . Did the same changed the resistor then two weeks later nothing , then changed both . That was three years ago
Title: Re: heater fan control module
Post by: Big_Jeep on November 16, 2010, 10:52:06 PM: Mine went tonight :o. Got in and it was working fine so I turned it off until the Heep warmed up and then nothing at all. Anyone have a good price on resistors? And should it still be working at full speed if it is the resistor? Fuses tested OK.
Title: Re: heater fan control module
Post by: Immortal on November 16, 2010, 10:54:17 PM: Quote from: Big_Jeep on November 16, 2010, 10:52:06 PM
And should it still be working at full speed if it is the resistor?

Yep, and ONLY high.
Title: Re: heater fan control module
Post by: Big_Jeep on November 16, 2010, 10:58:27 PM: Fan module then?
Title: Re: heater fan control module
Post by: mike s on November 18, 2010, 07:05:20 PM: The fan resistors blow because of age...or high amp draw on blower motor, if not to bad, change em as a pair.

Any news on the pook-pusher bumper project?
Title: Re: heater fan control module
Post by: Pookapotamus on November 19, 2010, 05:29:50 AM: the first one is almost done, just waiting for more steel, come on by and check it out
Title: Re: heater fan control module
Post by: cLAY on November 20, 2010, 10:30:38 AM: As said when the fan starts to go it pulls more amps and cooks the resistor pack. Had that happen to me a couple of times.