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v30crewcab · 09-14-2023, 08:43 PM

I would check the resistor first, as its easy to get to. you can back probe the plug and see if power is getting thru. the fan switch does go bad sometimes as well but its alot more work to get to.

09-14-2023, 08:43 PM	#4
v30crewcab Registered User Join Date: Apr 2012 Location: Chatt Tn Posts: 987	Re: Lost my Blower motor speeds I would check the resistor first, as its easy to get to. you can back probe the plug and see if power is getting thru. the fan switch does go bad sometimes as well but its alot more work to get to. __________________ 88 military v30 crewcab shortbed 5.9 cummins, nv4500, 205 86 k30, 89 diesel burb, 76 gmc pathfinder 71 longbed 5.3 4l80 http://67-72chevytrucks.com/vboard/s...d.php?t=522535