old heater plug wont fit new one from painless kit (see pic) - JeepForum.com
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Go Back JeepForum.com > Models > Jeep CJ Forum > old heater plug wont fit new one from painless kit (see pic)

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Unread 08-04-2009, 02:21 PM   #1
DeadPhish
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1977 CJ7 
 
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old heater plug wont fit new one from painless kit (see pic)

the plug coming from my heater does not plug into the one marked heater resistor on the painless wiring kit. what are my options also where does the one marked for heater motor on the engine harness plug into

this is what the plug on the heater looks like


this is what the one on the painless kit looks like


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Unread 08-04-2009, 02:27 PM   #2
smokedog
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Mine has that 3 plug type connector on the inside of the jeep (passenger side bottom right of heater box)... I think!? I am in Houston and can't go look right now.
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84' CJ7 Renegade - Tungsten grey metallic paint, 388ci Chevy, 700r4, D300, SOA lift with YJ springs, 1" body lift, Bilstein 5150 shocks, Currie Rock Crawler Shackles, Trussed Ford 9 Rear w/ 4:56 gears, Detroit lockers, Dana 44 front, full poison spyder cage and lots of chrome and stainless.
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Unread 08-04-2009, 02:30 PM   #3
DeadPhish
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I thought you said you were going to houston to work? checking the jf doesnt get me paid. tell me how you do it
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Unread 08-04-2009, 02:31 PM   #4
smokedog
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go to this link and on page 2 there is a pic -

http://www.jeepforum.com/forum/showt...+heater+blower
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84' CJ7 Renegade - Tungsten grey metallic paint, 388ci Chevy, 700r4, D300, SOA lift with YJ springs, 1" body lift, Bilstein 5150 shocks, Currie Rock Crawler Shackles, Trussed Ford 9 Rear w/ 4:56 gears, Detroit lockers, Dana 44 front, full poison spyder cage and lots of chrome and stainless.
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Unread 08-04-2009, 02:32 PM   #5
smokedog
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Quote:
Originally Posted by phishmaster View Post
I thought you said you were going to houston to work? checking the jf doesnt get me paid. tell me how you do it
haha - just taking a break from the daily grind.
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84' CJ7 Renegade - Tungsten grey metallic paint, 388ci Chevy, 700r4, D300, SOA lift with YJ springs, 1" body lift, Bilstein 5150 shocks, Currie Rock Crawler Shackles, Trussed Ford 9 Rear w/ 4:56 gears, Detroit lockers, Dana 44 front, full poison spyder cage and lots of chrome and stainless.
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Unread 08-04-2009, 07:31 PM   #6
John Strenk
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thats because the oem plug was for a heater blower inside the tub typical for 76 and half of 77 CJ's and the new painless plug is for a heater system were the motor was outside in the engine compartment. typial of half the 77 and later CJ's

Call painless and see what they can do for you
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Unread 08-13-2009, 05:28 PM   #7
DeadPhish
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how could i go about connecting the 2
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Unread 08-13-2009, 10:38 PM   #8
OldSailor
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Call Painless. They will send you any connectors you properly need. You have an early 1977 CJ7, which had a two-speed blower moter and it took the two-connector plug. Starting in late 1977, they went to a 3-speed blower motor that used the 3-connector plug you see for the resistor. Also, in late 1977, the 12 volts for the heater blower connected to the motor power terminal, which stuck through a hold in the firewall into the engine compartment and was connected to a heater power wire on the engine wiring harness.
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1977 CJ7, AMC360 V8 w/ headers, DUI HEI, Edelbrock intake, Holley 4150 carb, , TF999, D300, D30 front and AMC20 rear with 4.56 gears and lockers both ends, 4" susp lift, 2.5" body lift, 35" BFGs, ARG steering, 8000-lb winch, etc.
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Unread 08-23-2009, 10:55 PM   #9
DeadPhish
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so what all is needed to get the new plug and to make it work?
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Unread 12-16-2009, 07:42 PM   #10
DeadPhish
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does any one know if i can ditch the plugs and just wire it up directly? the plug from the motor has 2 wires and then there is a ground coming from the motor housing and the wire kit has 3 wires going into the plug. the wires are not the same color so how would i wire it up?
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Unread 01-22-2010, 10:07 AM   #11
JP_aka_Rowdy
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I am having the same problem with my '76. I called Painless, and they were Clueless. Did you get any resolve to this? I've seen the heater plug in the engine compartment, and wonder if there's something you have to do with it as well.
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Unread 01-22-2010, 10:49 AM   #12
John Strenk
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Well it depends on the switch you have installed. If you still have a 76-77 switch then you can just make up a new harness just for the Heater or use your old one over.

If you have your old switch and plugs, which it seems you do. Then connect the Tan wire from the new plug to the tan wire on the old plug. This supplies power to the switch. The other two wires, orange and red I think, go to the plug shown in the picture above.

Then get rid of the 3 wire plug and new heater switch plug.

If you want to use the new 3 speed switch and try running it with only two speeds, let me know.

In either case the simplest is to reuse your old connectors and switch. Snip the power wire off the new socket and connect it to your old switch socket.
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Unread 01-22-2010, 12:42 PM   #13
JP_aka_Rowdy
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Thanks John. I am actually updating everything in the dash and ordered the old '76 style two speed switch from 4WD:
2 speed switch: Heater Motor Switch by Omix and Other Jeep Parts and Jeep Accessories by 4 Wheel Drive Hardware

I may hold off on installing it in lieu of what you said and update it to a 3 speed just in case at some point in the future I may have to remove and replace the blower.
3 speed switch: Heater Motor Switch by Mopar and Other Jeep Parts and Jeep Accessories by 4 Wheel Drive Hardware

I'll repost once I figure it out. There is little to no info regarding this.
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