Can anyone tell me what this is??

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VPC20HD

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Can anyone tell me what this is??

Thank You!
 

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legopnuematic

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Trailer brake controller.
 

brooksman9

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Several years ago I bought a 72 Camaro. Had some kind of sensor under the body and something on the drive shaft that triggered it every rotation. Found out it was some kind of aftermarket cruise control apparatus. I think someone told me they came from Sears when I posted pics of it on NastyZ28. I don't remember there being anything inside the car for it though. Just speaking of odd old things.

Ha! Even found the post from 2007. :p

 
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PrairieDrifter

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Looks like the Kelsey hayes unit I just picked up. Good quality units. I'll take it if you're gonna junk it.

That brake line runs to one of the outputs on the master cylinder.
 

bucket

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Several years ago I bought a 72 Camaro. Had some kind of sensor under the body and something on the drive shaft that triggered it every rotation. Found out it was some kind of aftermarket cruise control apparatus. I think someone told me they came from Sears when I posted pics of it on NastyZ28. I don't remember there being anything inside the car for it though. Just speaking of odd old things.

Ha! Even found the post from 2007. :p


I worked at a junkyard for a bit in '02/'03 or so. I remember taking apart several cars with aftermarket cruise control like that. I don't remember what the switchgear looked like on any of them. I just remember the janky sensor setups.
 

legopnuematic

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@brooksman9 @bucket

My 76 had an aftermarket cruise setup like that. Magnet glued to the driveshaft with proximity sensor self tappered to the floor. Magnet flew off in the first week of owning the truck.

I pulled everything out of the truck not long after, kept it though in a shoe box. The “control” switch was mounted to the turn signal stalk.
 

bucket

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@brooksman9 @bucket

My 76 had an aftermarket cruise setup like that. Magnet glued to the driveshaft with proximity sensor self tappered to the floor. Magnet flew off in the first week of owning the truck.

I pulled everything out of the truck not long after, kept it though in a shoe box. The “control” switch was mounted to the turn signal stalk.

The ones I remember had what was basically a hose clamp holding the magnet to the drive shaft.
 

75gmck25

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I installed a couple aftermarket cruise controls, and they both had two magnets you epoxied to the driveshaft. Then you mounted a sensor on the body and it stuck out near the driveshaft (1/4”?). Magnets spinning around near the sensor were used to measure road speed.

However, the device shown in the first post is a trailer brake controller.
 

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