Blower motor mods?
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Senior User
Joined: Apr 2005
Posts: 392
Likes: 0
From: NC
Blower motor mods?
now thats its hot out, it feels like my blower could use a tune up, the air flow in my 2 older trucks feel like a light breeze, newer ones feel like a wind storm. so far i have swaped out the blowers and cleaned out the crap from the intake and any other crap in the ducts. any thoughts to make old blow like new?
Laughing Gas
Joined: Aug 2003
Posts: 919
Likes: 4
From: Newberg Oregon
I put a relay in the hot side of the blower motor plug that goes to battery positive in stead of running thru the whole truck harness, the original power wire just turns the relay on. The speed switch just controls ground so that makes the upgrade easy.
I used a bosch cube relay. Made a huge speed difference.
I used a bosch cube relay. Made a huge speed difference.
