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-   -   Blower Motor w/AC "Schematic" (https://forums.maxperformanceinc.com/forums/showthread.php?t=802951)

Hikin Mike 03-20-2017 10:32 PM

Blower Motor w/AC "Schematic"
 
Does anybody know what color wires go to the blower motor resistor for a 1969 Firebird with AC. The wires are there but the plug has been removed. The schematic I have wasn't very helpful as the colors are different.

Right now I have it from left to right: blue w/white stripe, black w/red stripe and black w/white stripe. There are two wires crimped together are connected off-set from the other 3.

Hikin Mike 03-23-2017 06:16 PM

1 Attachment(s)
This is what I'm talking about:

johnta1 03-24-2017 07:40 AM

1 Attachment(s)
See if this helps:

:)

north 03-24-2017 02:40 PM

If your colors are wrong you can deduce it this way...

The double wire goes to the fan and the hi speed relay, the other three are coming from the fan speed switch in the dash mounted control head. The double wire plugs into the only pin that has resistance between all the other three pins. Once you locate that one simply put your fan to the lowest speed and plug the wire of the remaining three that will have voltage onto the pin of the remaining pin that gives the lowest fan speed. Repeat for the other two wires.

Hikin Mike 03-25-2017 03:28 AM

Quote:

Originally Posted by johnta1 (Post 5715928)
See if this helps:

:)

That's a better schematic than what I have. It shows the correct colors.

Quote:

Originally Posted by north (Post 5716132)
If your colors are wrong you can deduce it this way...

The double wire goes to the fan and the hi speed relay, the other three are coming from the fan speed switch in the dash mounted control head. The double wire plugs into the only pin that has resistance between all the other three pins. Once you locate that one simply put your fan to the lowest speed and plug the wire of the remaining three that will have voltage onto the pin of the remaining pin that gives the lowest fan speed. Repeat for the other two wires.

Looks like I am missing the hi-speed relay. Probably why my motor controls where all screwed up.



Thank-you to both!


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