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08-06-2012
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#1 |
 
Join Date: Jan 2007
Location: Pineville, LA
Posts: 586
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Secondary Vaccum Pump
Hey Guys is this what I need as a replacement? The pump took a dump on me...
The Bay link It looks like the correct item but it got me thinking where it stated "This pump is used in Kodiak/Topkick trucks for the AC & Heater Controls. On a 91-95 Corvette ZR1 it can be used as a direct replacement for the secondary pump. Can also be used on 1990 ZR-1 with this adapter (GM Part#12102747)" Thanks, Daniel
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[COLOR=black]Daniel McGuffee [/COLOR] [B]1989[/B] Red Coupe #10166 [COLOR=black][B]1989 [/B]Black[/COLOR][COLOR=black] Coupe #23990[/COLOR] [COLOR=black][B]1991[/B] ZR-1 White #1639[/COLOR] [COLOR=red]FRANK APPROVED ZR-1[/COLOR] [B][COLOR=red][COLOR=black]1996[/COLOR] G[/COLOR][COLOR=blue]rand[/COLOR] [COLOR=red]S[/COLOR][COLOR=blue]port[/COLOR][/B] [COLOR=black]Coupe #564[/COLOR] ======================================== "It's not about the car, it's about the people..." DJ Don't forget to support your [URL="http://corvettemuseum.com/"]National Corvette Museum[/URL]!!! |
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08-06-2012
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#2 |
 
Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,394
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Re: Secondary Vaccum Pump
Yes it is.
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
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08-06-2012
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#3 |
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Join Date: Feb 2011
Location: Salinas, Ca
Posts: 160
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Re: Secondary Vaccum Pump
Yes they work and fit. You can also use Ford diesel vaccume pump, you will have to make up a jumper harness. I use the Ford pump it is available on e-bay for about $$55.
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08-06-2012
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#4 |
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Join Date: Jan 2007
Location: Pineville, LA
Posts: 586
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Re: Secondary Vaccum Pump
I need to get ta picture but somewhere down the line the pump was wired into the fog lights. Any thought as to why someone would do this?
Daniel |
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08-06-2012
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#5 |
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Join Date: Mar 2009
Location: Orlando, FL
Posts: 1,828
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Re: Secondary Vaccum Pump
Does the ECM provide +12V, or a switched ground, to turn on the pump? GM often uses switched ground to actuate devices controlled by the ECM or CCM, so perhaps the +12V source is shared by the fogs and the pump?
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2004 Z06/Z16 LeMans Commemorative Edition 1991 ZR-1 #302 White/Gray (sold) 1991 ZR-1 #1147 Red/Saddle (sold) |
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08-06-2012
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#6 | |
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Join Date: Jan 2007
Location: Pineville, LA
Posts: 586
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Re: Secondary Vaccum Pump
Quote:
I have no idea I haven't gotten into it very far yet. The wire job does not look factory at all. Daniel |
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08-06-2012
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#7 | |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,708
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Re: Secondary Vaccum Pump
Quote:
Dan, If you're interested, I have mine (92) that is not in use and would be willing to sell if you are interested.
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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