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[ 12 posts ] |
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B.O.B.
Official CCB Member
Joined: Thu Nov 11, 2010 10:31 am Posts: 770
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Heater upgrade
Got the new motor and cage for the upgrade but can't get the heater to operate. The motor s end like it is grounded by the housing. I have a ground wire coming off but it still won't work. Did I get the right motor or am I just not grounding it right?
_________________ 71' bronco, np435 w/trailbanger, 302 efi, 35" KM3 on 17x9 Fuel Anza, warn xd9000i, cage arms, 5" lift
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Sun Mar 26, 2017 10:57 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: Heater upgrade
I'd bench test the motor, I guess. Sounds right to me. I used the parts listed in this thread (maybe a different brand, but crossreferenced to the same vehicle, I forget), and added a ground wire from the motor to the metal part of the heater housing. Seemed to ground fine with the heater housing bolted to the firewall. http://www.classicbroncos.com/forums/sh ... ostcount=6
_________________ "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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Sun Mar 26, 2017 11:18 am |
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D&D72
Official CCB Member
Joined: Sun Sep 11, 2011 10:49 pm Posts: 988 Location: Henderson, Co. Grand Lake, Co
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Re: Heater upgrade
X2 I made a ground the same way. works good!
_________________ That guy John.... whatta Jerk.
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Sun Mar 26, 2017 1:40 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: Heater upgrade
Bench tested and works well. When installed in truck it pops the fuse because it doesn't seem like it's ground d well enough . Any thoughts.
_________________ 71' bronco, np435 w/trailbanger, 302 efi, 35" KM3 on 17x9 Fuel Anza, warn xd9000i, cage arms, 5" lift
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Sun Apr 30, 2017 6:34 pm |
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horseplay
Official CCB Member
Joined: Mon Jan 21, 2013 8:24 pm Posts: 408 Location: Grand Junction CO
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Re: Heater upgrade
A popping fuse will be a power short to ground or circuit overload. Check your wiring and make sure your cage is free inside the boxö
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Sun Apr 30, 2017 7:56 pm |
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Jesus_man
Official CCB Member
Joined: Thu Nov 11, 2010 10:36 am Posts: 5984 Location: California
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Re: Heater upgrade
_________________ 1973 Bronco, 351 SEFI, Locked, discs, 35's ZF-5spd and Atlas 4spd. 235:1 Crawl Ratio. It may be ugly, but it's slow. http://www.ucora.org
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Mon May 01, 2017 11:53 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: Heater upgrade
My heater fuse (in the original fuse box) was actually melting the solder inside the fuse itself. The tabs that held the fuse in place were rusty, and I cleaned them up with some sand paper & everything started working fine again.
Do you have a similar sized fuse on the bench test? That would eliminate the fan itself as the problem.
_________________ "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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Mon May 01, 2017 12:18 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: Heater upgrade
So the cage was hitting the metal housing on the back and grounding out. Has anyone had to make a spacer plate between the motor and th housing. I cross referenced all the parts and they seem correct. What do you all think?
_________________ 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 06, 2017 9:28 pm |
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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: Heater upgrade
It's been a long time since I did this but I seem to remember that the fan had to be clocked to a specific location, or there was a problem. This might not be the same thing you have happening. It's just been to long ago for me to remember the specifics.
_________________ "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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Wed Dec 06, 2017 9:59 pm |
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landshark
Official CCB Member
Joined: Fri Oct 14, 2011 12:16 am Posts: 3942 Location: Denver, Wash Park Area
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Re: Heater upgrade
I also remember that I had to clock or move the motor slightly in the housing. I will be doing this on the 72 here soon so will refresh my memory.
_________________ 1976 Bronco "Green, Yellow, whatever", 1969 Bronco "Red", 1972 Bronco Stocker "Kind of Blue/Grayish"
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Thu Dec 07, 2017 8:38 am |
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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: Heater upgrade
Had a buddy with a 3d printer make a small spacer between the housing and the motor to clearance the cage. Should work like a charm now. Got my reseal kit for Christmas so just need to do that and should be golden.
The core seems good but do you all think I should replace?
_________________ 71' bronco, np435 w/trailbanger, 302 efi, 35" KM3 on 17x9 Fuel Anza, warn xd9000i, cage arms, 5" lift
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Mon Jan 01, 2018 9:31 pm |
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landshark
Official CCB Member
Joined: Fri Oct 14, 2011 12:16 am Posts: 3942 Location: Denver, Wash Park Area
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Re: Heater upgrade
_________________ 1976 Bronco "Green, Yellow, whatever", 1969 Bronco "Red", 1972 Bronco Stocker "Kind of Blue/Grayish"
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Tue Jan 02, 2018 5:24 pm |
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