2001 4x4 A/C Relay failure?

mcarriker · 06-18-2007, 06:20 PM

hey everybody,
got a lil problem.... my A/C blower motor only blows when turned to settings "4" and "5"... 1,2, and 3, do nothing, what the problem, is it a failed relay??? thanks alot
-mark

scottie · 06-18-2007, 07:42 PM

sounds like a worn out potentiometer in the heating control panel itself

NCroadracer · 06-19-2007, 11:03 PM

Most likely a bad blower motor resistor. Very easy to replace with common tools and not too expensive.

mcarriker · 06-20-2007, 03:38 PM

alright, well i've noticed that th blower motor is on the interior of the firewall, has anybody done this procedure, what can i expect, what do i need to yank off to get to my blower motor? thanks for help!
-mark

NCroadracer · 06-20-2007, 04:35 PM

No need to remove the blower motor...Just the resistor. It's locater just forward of the blower motor (Under the passengers side of the dash) and is held in place with two 5.5mm bolts. at should have like 6 wires going to it.

mcarriker · 06-21-2007, 12:40 PM

alrighty, thanks, also;
Is there any way i can test if this resistor is bad?
-mark

NCroadracer · 06-21-2007, 04:25 PM

If the switch is putting out B+ to the resistor in 4 and 5 setting, the resistor is most likely the culprit. If you still wanna check it to be sure place a test light from the neg to the Pos terminals going to the blower motor....It should light in each blower motor speed setting, getting more intense with each speed higher.

06-18-2007, 06:20 PM	#1
mcarriker Junior Member Join Date: Jun 2007 Posts: 3	2001 4x4 A/C Relay failure? hey everybody, got a lil problem.... my A/C blower motor only blows when turned to settings "4" and "5"... 1,2, and 3, do nothing, what the problem, is it a failed relay??? thanks alot -mark

06-18-2007, 07:42 PM	#2
scottie Senior Member Join Date: Jan 2006 Location: South Florida (Palm Beach), originally from south of BOSTON Posts: 644	sounds like a worn out potentiometer in the heating control panel itself __________________ im a straight shooter with upper management written all over me

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06-19-2007, 11:03 PM	#3
NCroadracer Senior Member Join Date: Apr 2007 Posts: 295	Most likely a bad blower motor resistor. Very easy to replace with common tools and not too expensive.

06-20-2007, 03:38 PM	#4
mcarriker Junior Member Join Date: Jun 2007 Posts: 3	alright, well i've noticed that th blower motor is on the interior of the firewall, has anybody done this procedure, what can i expect, what do i need to yank off to get to my blower motor? thanks for help! -mark

06-20-2007, 04:35 PM	#5
NCroadracer Senior Member Join Date: Apr 2007 Posts: 295	No need to remove the blower motor...Just the resistor. It's locater just forward of the blower motor (Under the passengers side of the dash) and is held in place with two 5.5mm bolts. at should have like 6 wires going to it.

06-21-2007, 12:40 PM	#6
mcarriker Junior Member Join Date: Jun 2007 Posts: 3	alrighty, thanks, also; Is there any way i can test if this resistor is bad? -mark

06-21-2007, 04:25 PM	#7
NCroadracer Senior Member Join Date: Apr 2007 Posts: 295	If the switch is putting out B+ to the resistor in 4 and 5 setting, the resistor is most likely the culprit. If you still wanna check it to be sure place a test light from the neg to the Pos terminals going to the blower motor....It should light in each blower motor speed setting, getting more intense with each speed higher.