New under dash harness, need a little assistance

dustintinsley · 2025-10-07T16:44:49-0400

Just got my car back from having.the dash repaired and I am in the process of installing a new under dash harness. I have a 1957 Bel Air. I picked up a new American Autowire under dash harness (CE78243) and need some help locating where these connectors actually go.

Labeled as heater resistor on diagram

Labeled as heater on diagram

Diagram

I do have a Vintage Air A/C system installed, if that changes anything. I can not locate where these two connectors actually plug in at. Any help would be appreciated.

acardon · 2025-10-07T16:57:05-0400

dustintinsley · 2025-10-07T21:16:40-0400

On the bottom image, that is the back side of the heater control panel, correct?

It is hard for me to determine where the top image actually is. is that just behind the control panel itself?

dustintinsley · 2025-10-07T21:35:06-0400

@acardon I found the connector on the back side of the heater control panel. Thank you for that picture! Can you give me a little more info on the heater resistor? Where is it actually located behind the dash? Thanks in advance. You have guided me quit a bit in the last couple of days, it is much appreciated.

Onemoretime · 2025-10-07T22:06:03-0400

Resistor should be just above and to right of gas pedal.

New under dash harness, need a little assistance

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