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[ 9 posts ] |
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Chevy blower motor issues
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B.O.B.
Official CCB Member
Joined: Thu Nov 11, 2010 10:31 am
Posts: 770
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 Chevy blower motor issues I did the swap and had to put a spacer between the motor and the heater box to keep the cage hitting the back side. Problem is I keep popping fuses. Have the motor grounded to the dash and it is getting power from the original wiring. Is there anything I should be looking at? I also blocked off the fresh air hose from the outside and ditched the box. Anybody ever try to put a pusher fan on the outside to push more air in?
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71' bronco, np435 w/trailbanger, 302 efi, 35" KM3 on 17x9 Fuel Anza, warn xd9000i, cage arms, 5" lift
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| Wed Dec 05, 2018 10:19 pm |
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la hi
Official CCB Member
Joined: Thu Apr 19, 2018 7:09 am
Posts: 96
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Re: Chevy blower motor issues GROUND, GROUND, GROUND, then a heavier wire from the power source to the heater motor!!
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| Thu Dec 06, 2018 8:02 am |
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Gunnibronco
Official CCB Member
Joined: Mon Jan 03, 2011 6:07 pm
Posts: 4074
Location: Gardnerville, NV
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Re: Chevy blower motor issues Mine was actually melting the solder inside the fuse, without blowing the fuse. It was an original harness & there was light rust on the contacts where the fuse snapped into the box. Cleaned up the contacts with some sandpaper and the problem was solved.
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"America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." – Claire Wolfe
74-AWB 98", ZF5, Atlas4, TGW HP1060 and HP1014 axles, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, York OBA, 4x4x2, custom dash & gauges
72 U15- Explorer Sport-Candyapple Red (1 of 141)
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| Thu Dec 06, 2018 8:36 am |
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la hi
Official CCB Member
Joined: Thu Apr 19, 2018 7:09 am
Posts: 96
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Re: Chevy blower motor issues Good job!
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| Thu Dec 06, 2018 8:47 am |
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Kinder
Official CCB Member
Joined: Wed Sep 29, 2010 10:03 pm
Posts: 4371
Images: 0
Location: Parker, CO
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Re: Chevy blower motor issues Willem’s was/is doing the same, plan is to replace the heater blower circuit with non 50 yo parts.
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Best to Date MPG: 26.6
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| Thu Dec 06, 2018 11:50 am |
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Viperwolf1
Official CCB Member
Joined: Tue May 07, 2013 10:37 pm
Posts: 1485
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Re: Chevy blower motor issues
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| Fri Dec 07, 2018 7:38 pm |
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B.O.B.
Official CCB Member
Joined: Thu Nov 11, 2010 10:31 am
Posts: 770
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Re: Chevy blower motor issues Where is exactly would I put this breaker? Before the resistor, after, before the fuse?
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71' bronco, np435 w/trailbanger, 302 efi, 35" KM3 on 17x9 Fuel Anza, warn xd9000i, cage arms, 5" lift
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| Sat Dec 08, 2018 5:17 pm |
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Viperwolf1
Official CCB Member
Joined: Tue May 07, 2013 10:37 pm
Posts: 1485
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Re: Chevy blower motor issues
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| Sat Dec 08, 2018 7:43 pm |
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B.O.B.
Official CCB Member
Joined: Thu Nov 11, 2010 10:31 am
Posts: 770
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Re: Chevy blower motor issues Found the issue. My ECU came loose and was hitting the resistor causing it to short out. Luckily nothing was damaged. Working great now just need to change the thermostat.
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71' bronco, np435 w/trailbanger, 302 efi, 35" KM3 on 17x9 Fuel Anza, warn xd9000i, cage arms, 5" lift
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| Wed Mar 06, 2019 4:02 pm |
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