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The Something Awful Forums > Discussion > Automotive Insanity > After a 2975 day break...
 
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blindjoe
Jan 10, 2001

Sir Tonk posted:

Let's look at this trailer situation.




Turns out it's a very old style brake adjuster for when you're towing a trailer. This thing has a hard brake line running to the under dash unit, plus a bunch of wiring that hits both sides of the engine bay.


Looks like a mechanically powered electric brake controller.
The new ones have an accelerometer in them to know how hard you are braking, but that one looks like it uses the brake pressure to adjust the current to the brakes.
If you wanted to override the trailer brakes, you pull the handle, and that sends whatever current you want to the trailer.

The 7 pin connector for the trailer has probably been removed at some point.

Im glad the new ones are just "pay for the electronics and run the wire" because messing with your brake circuit doesn't look like much fun.

E:

Looks like its this:


https://www.ebay.ca/itm/17535801997...ABk9SR6ru3r-lYg

blindjoe fucked around with this message at 17:15 on Jul 6, 2023

* # ¿ Jul 6, 2023 17:12
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The Something Awful Forums > Discussion > Automotive Insanity > After a 2975 day break...