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TR2/3/3A Early TR3A Overdrive relay location

luke44

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Can anyone advise me where the overdrive relay is mounted on an early 3a?

I inherited my car with a box of parts so I am flying blind on some of these things. Without the luxury of having taken the car apart myself I can only go by pictures I've seen - I do have one showing it mounted to the battery box, but its a 66000 car - not sure if it's correct for an early 31000 car - mine doesn't seem to have a screw hole here.

Photo appreciated. Thanks in advance,

7351412744_4a1c714760_z.jpg
 

TR3driver

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On early cars that came without the OD, you have to add the holes. Here's a shot from the workshop manual, showing where to locate the holes. The illegible text says the LH hole is 2-3/8" from the LH edge, both holes are 1/2" above the bottom, and the holes are spaced 2-3/4" apart (center to center).
 

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luke44

luke44

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Thanks Randall. Picture is a bit fuzzy - those dimensions are on the battery box, so my picture is pretty close if not exact, correct?
 

TR3driver

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Yes, dimensions are on the back of the battery box. Sorry for the poor quality, that's the best I could do from the original I have.
 
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luke44

luke44

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No problem at all! That's awesome - exactly what I needed. I now know what I'm doing tomorrow ;-)
 

TR4nut

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Luke-

The holes are I believe countersunk too so the screw head does not portrude in the battery box.

Randy
 
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