heater issue 65 Belvedere
#2726759
12/25/19 10:17 AM
12/25/19 10:17 AM
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Joined: May 2004
Posts: 3,210 robin hood country
deaks
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My blower was on a auxillary switch, I decided to investigate and unfortunately the only bit left was the back plate from the switch, is there anyway of repairing it to work just for heat, or do I need a new switch. ? Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36
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Re: heater issue 65 Belvedere
[Re: Sniper]
#2726778
12/25/19 11:33 AM
12/25/19 11:33 AM
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deaks
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Sorry, i've not explained it very well, it's the heater vac switch for the push buttons, that's up the creek. Mick
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36
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Re: heater issue 65 Belvedere
[Re: deaks]
#2726785
12/25/19 12:04 PM
12/25/19 12:04 PM
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Joined: May 2019
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Sniper
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Depends, AC or no AC switch? 4 or 5 buttons essentially. If it's a 5 button one I've successfully retrofitted a 3895790 vacuum switch into my 65 Cuda. The electrical hook ups are a tad different. I think this switch lets you turn the AC on/off in defrost by pulling the defrost button out, which I believe is the difference but it has been a very long time. My write up from last millennia on how I did that is here. http://www.oocities.org/steve.knickerbocker/cuda/cuda.htmIf it's a 4 button unit, those are hard to find. I know one place that rebuilds them, but you seem to not have anything to rebuild.
Last edited by Sniper; 12/25/19 12:07 PM. Reason: edit link
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Re: heater issue 65 Belvedere
[Re: Sniper]
#2726823
12/25/19 01:57 PM
12/25/19 01:57 PM
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Posts: 3,210 robin hood country
deaks
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How do i get the switch out ?
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36
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Re: heater issue 65 Belvedere
[Re: Triggerfish]
#2727326
12/27/19 11:18 AM
12/27/19 11:18 AM
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Joined: Jan 2003
Posts: 21,076 Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,076
Niles , Ohio
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The switch comes out pretty easy.Remove the plastic face plate after you remove the round warm piece.Small allen screw holds it on.Then the panel that houses the push buttons comes out.The cable for the heat control is also attached but usually has enough to get to the vacuum switch.It unscrews for the metal panel.The vacuum lines attach to it.Probally broken as most are.Rocky
Chrysler Firepower
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Re: heater issue 65 Belvedere
[Re: therocks]
#2727331
12/27/19 11:35 AM
12/27/19 11:35 AM
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Joined: May 2019
Posts: 6,281 nowhere
Sniper
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Having dealt with old vacuum switches there is no way I'd restore an old one if a new one was available. Once the nipples break off due to age it's just a matter of time. Especially since a new 5 button switch is $120. Original Air will restore them, too. If you want to try yourself, some info https://www.forbbodiesonly.com/moparforum/threads/vacuum-switch-repair.164146/there are some sort of very thin hardboard looking sliders inside that move around to open and block the various vacuum ports that tend to get old, dry and fall apart. So if yours are bad, well good luck trying to make new ones. Also, the electrical part of it, especially the blower circuit, tend to heat up and start warping/melting the plastic. I tried to DIY the one that was originally in my 65 Cuda, with mixed results, but ended up replacing it with the part number I mentioned above. If you can find one a Standard Motors HS101 is their version of that part.
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Re: heater issue 65 Belvedere
[Re: Sniper]
#2727383
12/27/19 02:03 PM
12/27/19 02:03 PM
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Joined: May 2004
Posts: 3,210 robin hood country
deaks
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Got the switch out but half of it was resting above the fuse box, some parts were missing, only two sliders, no wire terminals either.
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36
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Re: heater issue 65 Belvedere
[Re: Sniper]
#2727623
12/28/19 10:46 AM
12/28/19 10:46 AM
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Joined: Jan 2003
Posts: 21,076 Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,076
Niles , Ohio
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Doc wrong again.Ive had my 65 since 69.Had it before I got the wife.Thats a long time.IIRC someone was repopping repos of the switch.Most the vacuum lines brek off.Mine broke years ago.But with M1 intake and Dominator carb I have no vacuum into the cabin.Rocky
Chrysler Firepower
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