Rallye gauges, new to me

[Blake@diyhemi.com]

Looks like your original harness has been modified to accommodate an oil pressure gauge and a tach. Depending on how it was done you "might" be okay there, that's if the rallye cluster didn't come with the harness. If you decide to go with the rallye one make sure you have the correct oil pressure sending unit too. The clock wire should already be there in your existing wiring.

You are correct. I did get the harness with the rallye gauges too, so I'd swap it all over.

It also appears to have the variable speed wiper switch


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[6bblgt]

J25 "three-speed windshield wipers" were part of the A62 "rallye gauge cluster" package

[Jay Bee]

It also appears to have the variable speed wiper switch

What's your car, 2 speed or variable speed. Those variable speed switches bring some decent money.

[Blake@diyhemi.com]

My car is a 2 speed. But I have a 3 speed motor and wiper linkage set from a highly optioned 73 I used to have.


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[Jay Bee]

From the picture of your rallye dash it looks like you're missing the clock cable and attaching nut. Or is it broken off and not visible.
https://www.rosevillemoparts.com/?s=clock+cable&product_cat=0&post_type=product

Edit: Picture of the oil pressure sending unit used with rallye gauges.
https://www.rosevillemoparts.com/product/switch-oil-pressure-with-gauge-bell-type-upto-85-all/

[Blake@diyhemi.com]

From the picture of your rallye dash it looks like you're missing the clock cable and attaching nut. Or is it broken off and not visible.
https://www.rosevillemoparts.com/?s=clock+cable&product_cat=0&post_type=product

The clock cable is there on the back, threaded into both ends as it should and not seized, the knob itself is missing on the cluster bezel, but I can see the cable end in there.

In those links to the knobs. How do they install? I see they come with a little roll pin looking piece. How does one assemble them?


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[Jay Bee]

That's not a roll pin it's called a barrel nut. It goes down the center of the knob and screws/tightens with a small screwdriver. I've always used a jeweler's screwdriver.

This pic gives the idea (different knob, for reference only)