what other wires run with rear heater?

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Jan 30, 2003
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windy wyoming
found a pair of wires that run with the rear heater wire, along the coolant lines. two molded wires, goes to a factory plug, problem is, it's busted off right where it would go to something. it's not the rear heater, as it's still hooked up.
questionplug.webp
rr heater plug.webp
 
The fuel tank sender is not too far away............do the wires go back underneath?
 
What year '55? It could be the seat belt buzzer.
 
Mine didn't have that wire. 7/73

'Cause seatbelts were not as big a deal in '73. Our '76 DOES have a seatbelt buzzer and light and the wire runs there.
 
Some heaters are 2-wire and some 1-wire using the bolts to the floor for ground - both the 78 have one wire to the heater. The second wires (black) is for the seat belt - CG's right on
 
'Cause seatbelts were not as big a deal in '73. Our '76 DOES have a seatbelt buzzer and light and the wire runs there.


Ahhh....seatbelts are overrated. :grinpimp:
 
I'll look it up on the epc tomorrow.

my 75 doesn't have extra wire.

I have the old wiring diagrams and non show an extra wire or seatbelt buzzer.
 
Inge, just rebuilt my rear heater this evening and the two wires are for the seatbelt warning buzzer; same color + plug....the two wires together, one black, the other black with a white tracer for the buzzer; hope this helps

Lou
 
Inge, just rebuilt my rear heater this evening and the two wires are for the seatbelt warning buzzer; same color + plug....the two wires together, one black, the other black with a white tracer for the buzzer; hope this helps

Lou

that's them. cool, i'll "eliminate" them.
 
I was wondering the same thing, one wires connected to the rear heater but two don't fo anywhere.


Nothin in the epc or my early manual. May not be stock. It is possible that someone replaced the heater lines with a newer model that had those wires.
 
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