1964 Dash Instrument Cluster Swap

Charlie Brown · May 24, 2021

I'm thinking someone has done this swap and I'd be happy to hear how the conversion went as well as any tips in regards to any re-wiring.
This is the current dash in my 64 Polara - American built.

Canadian built Polara's came with the 64 Plymouth dash, which is the one I'm going to install. Physically it's a direct swap, it's the electrical harness I'm not sure of.
Any advice would be well received at this end.

bearman · May 24, 2021

I'm watching this one

justjim · May 24, 2021

bearman said:
I'm watching this one

me too

Dave6T4 · May 24, 2021

You will need the Plymouth dash wiring harness as well. The plug to the instrument circuit board is different. The Plymouth one is circular, while the Dodge one is inline. Also, the "grain" of the instrument panel overlay is different between Plymouth and Dodge. You will need Plymouth heater and shift button covers, radio face, and glove box door to complete the look. My Polara hardtop is Windsor-built with Plymouth dash. The Polara 500 convertible that I restored was a U.S. car with the different Dodge dash, so I have experience with both.

Charlie Brown · May 24, 2021

Dave6T4 said:
You will need the Plymouth dash wiring harness as well. The plug to the instrument circuit board is different. The Plymouth one is circular, while the Dodge one is inline. Also, the "grain" of the instrument panel overlay is different between Plymouth and Dodge. You will need Plymouth heater and shift button covers, radio face, and glove box door to complete the look. My Polara hardtop is Windsor-built with Plymouth dash. The Polara 500 convertible that I restored was a U.S. car with the different Dodge dash, so I have experience with both.

Thanks Dave,
I'll try to round up a harness. There should be at least one out there in Mopar land. I have the shifter and heater bezels but not the radio / glove box bezels.

justjim · May 24, 2021

Charlie Brown said:
Thanks Dave,
I'll try to round up a harness. There should be at least one out there in Mopar land. I have the shifter and heater bezels but not the radio / glove box bezels.

i have a 64 plymouth harness but it's untested.

Charlie Brown · May 25, 2021

justjim said:
i have a 64 plymouth harness but it's untested.

Morning Jim,
Thanks for the reply. I've got a few irons in the fire locally, but if they don't pan out, I'll definitely give you a holler.

Dave6T4 · May 26, 2021

The U.S. Dodge instrument panel has an oil pressure gauge, while the Plymouth one only has a low pressure warning light. So, you will have to change the tall oil pressure sending unit for the gauge, for the short unit that works the light. This is on the rear oil gallery at the back of the engine.

Charlie Brown · May 26, 2021

Dave6T4 said:
The U.S. Dodge instrument panel has an oil pressure gauge, while the Plymouth one only has a low pressure warning light. So, you will have to change the tall oil pressure sending unit for the gauge, for the short unit that works the light. This is on the rear oil gallery at the back of the engine.

Thanks for this Dave. Small items like this are easy to overlook.

1964 Dash Instrument Cluster Swap

Charlie Brown

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bearman

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justjim

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Dave6T4

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Charlie Brown

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justjim

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Charlie Brown

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Dave6T4

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Charlie Brown

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