Can anyone tell me what this is??

[Ricko1966]

the only time this might be safe would be an unused but internally present maxifuse position of sufficient size in fuse boxes (startin with gmt400 i think)
Most unused maxifuse positions wont have one or both of the legs in my experience
But the maxi fuse portion or separate maxi fuse blocks are usually pretty stout and meant to move a lot of power, of course you wouldnt want to exceed the overall intended positions original size most likely

Not on a 1974 c10 would it be acceptable to wire a whole 2nd fuse box to one fuse in the original fuse box.

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It was the next post after this I was called a booger eater,fire starter,I can't remember it all.

 

[AuroraGirl]

Not on a 1974 c10 would it be acceptable to wire a whole 2nd fuse box to one fuse in the original fuse box.

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It was the next post after this I was called a booger eater,fire starter,I can't remember it all.

i bet you have cooties too
sicko

 

[Casca2525]

You're 100% wrong.

The small cylinder-piston in the controller takes fluid to make it travel. This is not the same as brake wear --- it's totally out of that realm --- totally.

If it takes fluid, it decreases the ultimate volume sent to whatever side of the brakes in which you've installed it --- front or rear.

I know. I was a Brake/Lamp/Smog Inspector and I had tried that same hydraulic controller on one of my dual-brake systems and it just did not work.

Believe what you want - but don't go popping off with theories that might get someone else injured or killed or kill a vehicle in the opposing lane.

Any time you take fluid to move that device - it takes from that system and cuts the flow to (usually the rear) brakes.

Stop being ignorant --- you cannot use this brake controller on anything but a single-system master cylinder - and even then it can feel different because of the change in fluid to the brakes.

These were originally designed to be used on the (much) older single-piston master cylinder systems in cars and trucks that were crushed and returned as Toyotas long before you were born.

always use compression fittings when installing these!

 

[Casca2525]

Tell me how this is even taught in "Hydraulics 1A" and let me know if YOU know how it works ... OK?

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It uses brake fluid in a dead-end circuit to activate a plunger that moves a multi-fingered resistor to activate the trailer brakes.

IT USES FLUID VOLUME --- it is illegal on any vehicle with dual master cylinder systems.

Period.

Full stop.

I don't know nor care what the intentions are from the posters with doctorates in Hydraulogy - or whatever it is here --- it is illegal because it steals fluid from the rear brakes unless some brainfart installed it in the front brake system --- then all hell breaks loose.

The system being unbalanced, will then produce vastly inferior and dangerous braking effort

You will go blind because of the BRAKE light staying on all the time.

not saying one way or the other, but we just bought a 1980 Scottsdale 5th wheel that had hydraulic activated VACUUM brakes tapped in to BOTH circuits using compression fittings, the pedal literally hits the floor trying to provide enough fluid volume to all cylinders to stop the truck, I just about had an aneurism thinking about how it would have stopped with a trailer