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No high speed on fan blower

3665 Views 3 Replies 3 Participants Last post by  T-Man
70 with factory air. I have a low, and a medium speed but no high speed with the heater on. I have changed the high speed relay but that didn't help. I get a feed on the single orange wire when I put the switch in high but the blower stops. The AC compresser is off the car right now. Any ideas what to look for? Thanks.
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Originally posted by 70RatRocket:
Maybe the in line fuse on the big orange line is burnt out. Thanks for the info.
I'll bet this is your problem as that fuse is for the high speed blower circuit. The fuse in the fuse panel under the dash covers the other blower speeds.
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