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70 BARRACUDA HEATER FAN HAS ONLY 2 OUT OF 3 SPEEDS **HELP**

Started by temsinc, July 11, 2019, 11:10:13 AM

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temsinc

My 70 heater blower motor only has two speeds out of 3...low and high. Its missing the middle speed. Is there a resistor or coil that needs to be replaced? If so, where is it located? Thank you in advance.

Darcy :canada:

Slotts

All E body cars, regardless of non a/c or a/c, only had two fan speeds. There was no middle speed.

Jim
Be careful. Don't get caught drinking the Kool-Aid or believing the hype.

bcudachris

Make sure the blower motor ground wire is secure and has a good connection.

Have you had the control out lately?  Make sure the switch(es) connectors are properly seated.  Also, get a look at your blower motor resistor.  You can find the specs on line to check it with an ohm meter.


temsinc

I will check the ground and resistance of the motor resistor. Thank you gentleman.

Darcy

RUNCHARGER

It's a 2 speed fan not a 3 speed. It's a 2 speed fan not a 3 speed.
Sheldon

Slotts

Hey Darci,

Please don't bother looking through all of the schematics and testing resistance. There are only two speeds for the blower motor on an E body, as I wrote previously. You will be chasing after a red herring trying to look for the middle speed.

Hey Sheldon,

I like your style!  :bigthumb:

Jim

Be careful. Don't get caught drinking the Kool-Aid or believing the hype.

temsinc

Thank gawd...wish I had of read this before searching online for over hour today  :haha:. I appreciate it Jim...two speeds only. TGIF, y'all have a great weekend. Stay safe.

Darcy


RUNCHARGER

Sheldon

Cratos

anyone know where I can find the resistor block for 70 challenger with factor A/C broke mine plugging the harness back on :(:(:(