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Where 2 buy boost pressure switch???

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Old Mar 15, 2008 | 03:51 PM
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Exclamation Where 2 buy boost pressure switch???

Hey guys, i recently bought a 01 WS6 with a procharger.... i have an aeromotive auxilary fuel pump, and when i turn the car off the fuel pump keeps running... i checked the relay for the fuel pump and it is good, then i checked the boost pressure switch and it was still reading with the car off... so i need a new boost pressure switch... where can i find one? i have looked everywhere and can not seem to find one... anyone have any links to point me in the right direction?? it is the D1SC procharger...
do i get it from ATI? or can i find it somewhere else? i tried jegs, and found nothing....
any help would be GREAT! thanks!
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Old Mar 16, 2008 | 12:09 AM
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Are you talking about a Hobbs switch?
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Old Mar 16, 2008 | 08:54 AM
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you can get a honeywell hobbs switch from napa.And its made in America.
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Old Mar 16, 2008 | 10:16 AM
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I got one on eBay for like $11
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Old Mar 16, 2008 | 10:35 AM
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It sounds like you have constant power to the pressure switch and with the car turned off there is no vacuum to keep the switch open . So if you move the power supply to a switched wire that only gets power if the key is on like maybe the windshield wipers or the stock fuel pump supply wire it should fix the problem. I would think.
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Old Mar 16, 2008 | 11:54 AM
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YES THATS IT!!! thanks guys and gal.... i have been searching everywhere but searching for "boost pressure switch" and couldnt find anything... i just went on ebay and typed in hobbs switch, and that is the exact part i was talking about... i will have to check out napa.... but what psi do i get??? or what do i set it at?? sorry, im new to supercharging.....thanks for all the help!
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Old Mar 16, 2008 | 12:21 PM
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i run a nos pressure switch, adjustable from 1-14psi
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Old Mar 16, 2008 | 01:47 PM
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got a PN for the hobb switch?
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Old Mar 16, 2008 | 04:05 PM
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Originally Posted by reject
got a PN for the hobb switch?
15660nos
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Old Mar 16, 2008 | 08:06 PM
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ok so im looking for a hobbs pressure switch... what do i set the psi for the switch?
1psi???
my car is currently runny 8lbs of boost....
i found this hobbs pressure switch P/N 76575 Normally open switch, it is adjustable 1psi to 18psi.... is this what i want?? thanks for the help.

Last edited by NXPRSS; Mar 16, 2008 at 08:09 PM. Reason: had to add something.
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