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MG TD TF 1500 - Dash Wiring Harness

For my 1952 TD I bought British Wiring’s harness and dash sub harness. I’m looking for some pointers for the dash sub harness. I’m not sure how the sub harness relates to the overall wiring diagram.

Any suggestions would be most appreciated. Thanks!

Tom Capehart

TD 16468
T Capehart

The wiring diagram doesn't really call out the dash wiring very distinctly.
Best to lay the harness on the back side of the dash, then using the color code identify what color wire goes where. It should then be more obvious.

You can also compare the new harness with the existing wiring with them laid side by side. Mark each wire with a small tag as to its function and position as a memory aid.
Lew Palmer

This diagram might help. Jud

J K Chapin

Thanks Lee and JK. Both very helpful! I’ve already pulled tge old harness out. Most of it seemed jury-rigged but I did save it. I’ll have a closer look. The diagram should prove helpful too.

Most appreciated.

Tom

T Capehart

One Critical point. You said this is a 1952. Is it an early 52? Dished speedo/tach?

There is a difference in the dash wiring between the early TD and the later TD, but the dash harness they sell is meant for the later TD.
Bruce Cunha

Did yours come with connectors and lights sockets? This picture of a harness ready to install may help.



Christopher Couper

Tom,
This diagram might be of help.
Regards
Declan

Declan Burns

Thanks Christopher, Bruce and Declan. I am pretty sure I have tge later TD. c16468. My harness is very close to the one pictured but without connectors and light sockets.

Declan, the diagram is a big help.

I am going to jump in and start putting tge harness in.

Thanks again!

Tom
T Capehart

Craig Seabrook built and wired my dash if you would like to see a picture of it.
rich40701

Rich, a photo might be helpful, thanks.

Tom
T Capehart

Hi Bruce, what do you mean by a “dished” speedo/tach and which car have it? Thanks much!
T Capehart

These are the dished style. Earlier cars had flat faced gauges.

Christopher Couper

The dished speedo and tack have a built in light (it clips into the metal body).

The flat dish has three lights that have a bracket that screws into the wood of the dash. You have to build a ground wire and add an additional red power wire for the early dash.
Bruce Cunha

Irrelevant comment: I have a '53 TD with the dished instruments. I'm not going to change anything but I do think the old instruments with their outlined numerals are much more attractive. Jud
J K Chapin

Jud. Not sure what variations were available to MG, but here is a speedo that came on a barn find that Bill Chasser had.

Note the different numerals.They are not outlined, but filled in. (these are on a chronometric (flat faced) gauge)

Bruce Cunha

Interesting. My friend's early '51 has the outlined numerals that I think look spiffy but I don't have a photo. Thanks. Jud
J K Chapin

1951 TDC 9606 with outlined numbers on gauges

J Cosin

This thread was discussed between 06/07/2024 and 14/09/2024

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