Who wants to play... guess that thing-a-muhbob

[Mr Clickety Clackety]

I don't know what the winning prize is other than to show how knowledgeable you are , and how often you are on this site

What is the black box that says energize?

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[BrianX128]

Trailer brake controller of some sort I believe.

 

[Mr Clickety Clackety]

Trailer brake controller of some sort I believe.

Ding ding. winner...
http://www.c-brats.com/viewtopic.php?t

 

[typ4]

Knee cap Wacker.

 

[pelky350]

Flux capacitor, light comes on at to let you know you are going 88 mph, if/when you can get that fast

 

[gandalf]

Knee cap Wacker.

There's a reason mine is to the right of the steering column.

 

[laserjock]

Standard issue for that vintage. At least those didn't have the big resistor under the hood. The old farts will remember those. [emoji6]

 

[whiteboyslo]

Exact same model I have in mine...

Mike

 

[towcat]

Standard issue for that vintage. At least those didn't have the big resistor under the hood. The old farts will remember those. [emoji6]

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[laserjock]

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That would be the one.

 

[pelky350]

That's what that thing was I removed not knowing what or why it was there lol

 

[Mr Clickety Clackety]

That's what that thing was I removed not knowing what or why it was there lol

 

[Macrobb]

That is a Kelsey electronic brake controller. They are old, but work perfectly well. I've got them on all of my trucks now(most of them came with one, then I picked up a couple of them cheap).
They are a 'proportional' brake controller, using the deceleration of the truck to control how much power to put to the trailer brakes.
They require adjustment based on load, which you do by just turning the knob on the side. Easy as pie.

You can also pull the "trigger" on the front/top and manually activate the trailer brakes -- good for testing or emergencies.

 

[compressionignitionrules]

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the original fire starter.................................

 

[Trevtron]

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Always wondered what the hell that spring was down near my kick panel