Brakes shutting car down

[87mcls305]

Hey guys I got a problem.... When I apply any pressure to the brake pedal the car will immediately shut off... I have already changed the brake booster(2 times cuz the first one was used and I didn't trust it... so I bought a new 1)... I believe I have a electrical short or maybe a bad ground... has any had a issue similar.... any help is appreciated this is killing me thanks


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[pagrunt]

Sounds like a vacuum issue. Check the vac line for the booster, check valve & grommit, carb base & gasket. Then check all the vac lines if that all is OK.

 

[87mcls305]

Thanks ya I checked all the vacuum lines... the car would bog down once I pulled the hose from the booster but would still die when I press brakes I tried bypassing the filter.... how do I check with a vacuum gauge???


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[UNGN]

When you lightly touch the brakes, just enough to make the brake lights come on, does it stall?

 

[87mcls305]

Yes exactly that's what it does


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[pontiacgp]

try unplugging the harness on the brake light switch and see if the engine still stalls. Do you have a lock up converter

 

[87mcls305]

Ok... no I don't have a lock up converter... but I removed the CPU a long time ago


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[pontiacgp]

There isn't an alarm installed in your car?

 

[87mcls305]

Yes I had a Clifford alarm but I removed it myself... I removed it a couple years ago... and haven't had any issues like this until now


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[87mcls305]

try unplugging the harness on the brake light switch and see if the engine still stalls. Do you have a lock up converter

That's a great idea i will try Tommorow morning and let u guys know the results


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