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Author Topic: What is this? (Pic inside)  (Read 3989 times)

Offline sbx22

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  • 1974 1/2 ton 350 sbc
What is this? (Pic inside)
« on: November 14, 2011, 08:21:02 pm »
It says "Sure Stop". It is located right beside the steering column. I have never tried it and I don't even know if it works. What is it for? And how do I test it to see if it works?
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Offline bigchevyc30

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Re: What is this? (Pic inside)
« Reply #1 on: November 14, 2011, 08:53:44 pm »
looks like its for trailer brakes if im right the nob if turned will put the brakes more on the trailer as u push the brake pedal so you can set the trailer to apply the brakes before the truck does to help save your trucks brakes
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1980 c-30 dually R.I.P
1989 R2500 Sub 350/sm465
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Offline Engineer

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Re: What is this? (Pic inside)
« Reply #2 on: November 14, 2011, 09:09:03 pm »
Is there a hydraulic line going to the brake master cylinder?

If so, then bigchevyc30 is correct, it is a trailer brake controller. A very ancient one at best.
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Offline sbx22

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Re: What is this? (Pic inside)
« Reply #3 on: November 14, 2011, 09:54:04 pm »
Hmm.. interesting. No, there isn't a hydraulic line from what I can see. I guess I'll just tear it off then because I don't tow anything anyway. Thanks guys.
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Offline bake74

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Re: What is this? (Pic inside)
« Reply #4 on: November 14, 2011, 10:34:17 pm »
     The patent number did not come up, so they did not get it.  Does it have any wires, some newer trailer brakes modules are electronic.
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Offline Jason S

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Re: What is this? (Pic inside)
« Reply #5 on: November 14, 2011, 10:44:54 pm »
My guess would be trailer brakes.

Sure like the green on your dash...
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1973 GMC K2500, Super Custom, Camper Special, 350, TH350, NP203, 4.10's
1974 Chevrolet K10, Custom Deluxe, 350, SM465, NP203, 3.73's

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Offline 1980c10

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Re: What is this? (Pic inside)
« Reply #6 on: November 15, 2011, 12:03:18 am »
It looks like an older electronic brake contoller look for wires leading to near your brake pedal brake light swtch. Do you have  6 or 7-pin trailer connector? either way you will have an output to at that connector; when the brakes are applied you will have a voltage output that range from 1-12 volts depending on the pedal pressure applied to the brake pedal(with the key on) the easiest way to test this would be to plug in a trailer with electronic brakes and try it. The next would be to get a tester for trailer light connectors. 
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