|
Register or Log In To remove these advertisements. |
|
|
|
|||||||
 |
|
|
Thread Tools | Display Modes |
06-27-2014, 03:52 PM
|
#1 |
|
Registered User
Join Date: Jan 2014
Location: toledo oregon
Posts: 17
|
heater fan runs constantly
my heater fan motor runs when switch is off.do i have a wire connected wrong somewhere?
|
|
|
|
06-27-2014, 03:58 PM
|
#2 |
|
Registered User
Join Date: Apr 2014
Location: Bloomington Indiana
Posts: 1,041
|
Re: heater fan runs constantly
Nope. Federal requirements for trucks is/was that they maintain positive cabin pressure to keep exhaust fumes out of the cabin. There is no "OFF" position, just LO, MED, and HI.
__________________
Rich Weyand 1978 K10 RCSB DD. |
|
|
|
|
06-27-2014, 05:56 PM
|
#3 |
|
Registered User
Join Date: Jul 2007
Location: Tucson, AZ
Posts: 3,188
|
Re: heater fan runs constantly
It was a new fangled thing - "flow thru ventilation."
|
|
|
|
|
06-27-2014, 11:09 PM
|
#4 |
|
Registered User
Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
|
Re: heater fan runs constantly
It was a good idea at the time...
__________________
When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
|
|
|
|
06-27-2014, 11:34 PM
|
#5 |
|
78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
|
Re: heater fan runs constantly
I cut the brown wire off the back of the switch.
Low becomes off. Prefer when I can turn everything off, and nothing is on to start the truck.
__________________
John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
|
|
|
|
| Bookmarks |
|
|
Linear Mode
