Electrical part id

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Rhode rover

Active Member
Posts
98
Location
Rhode Island, USA
I was hoping someone would recognize this electrical part mounted on the brake servo mount thru the small removable panel. It connected to nothing. I removed the small panel and there's only what looks like a sort of trigger that adjusts as to the depth the unknown part is screwed in .
 

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I knew someone would know. Honestly my auto repair knowledge is limited but this insight helped.
I knew the mounting position was on the brake servo, what I didn't know or believe now was that it must have been an add on or special order when made. I don't think a servo was standard equipment.
Also, reading the general location of a brake light switch is on the brake pedal under the dash. On the other hand I read at times the brake light switch is mounted brake servo bracket like it is here.
The switch sat there unconnected but I did find 1) set of wire clips green with purple (brakes) and other green (ground). At least I think I'm correct. That is linked to other wires ( generic white) with clips that might connect to brycrest choke safety switch to supply power and all that leads into the dash, yet to be explored.
I know I'm rambling, just trying to sort out my thoughts
 
The later series have servos, and a switch in the engine compartment. Mine is like that, not that exact type of switch, though. Surprised the bonnet closes!
 

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I must be wrong about the availability of the brake servo during 1973, I'd like it to be OEM. I know it's a GM switch( most likely cheaper). On this unit, one side goes to the brake and other for a torque converter.
I think the previous owner might have tried to the choke safety switch in a daisy chain effect.
 
Be careful fitting a replacement, they are finicky to get right unless you read the manual.
I broke the switch the first time I replaced mine, many decades ago.
 
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Thanks for the warning. I did order what I believe to be the correct switch.
My new question is, before reading the Green Bible, is the actual depth the switch screwed into the plate strategic to it working properly. The plastic unit was loose, easy to move...almost by itself.
I'll practice and try to get the results I'm looking for before mounting the new part.
 
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