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Old 01-11-2014   #1
ghlkal
 
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Question Is this the correct sending unit?

I ordered a sending unit for my 1990 ZR-1 last November. I was hoping to put it in during my Christmas break. My fuel gauge is way off and I didn't want to mess with opening up the old one and trying to clean the contacts, etc, and the replacement unit was a good price.

It just arrived and I won't have a chance to look at this for a few weeks, but ... is this the correct sending unit?


I know we have two fuel pumps, but there's only one electrical connector. Since I haven't removed the old one, I don't know if this is the correct part or not.

Does anyone know?

Thanks
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Old 01-11-2014   #2
A26B
 
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Default Re: Is this the correct sending unit?

I think you nailed it. One connector, one pump.
http://jerrysgaskets.com/store2/root..._image&pID=575
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1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc.
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Old 01-11-2014   #3
Paul Workman
 
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Default Re: Is this the correct sending unit?

Quote:
Originally Posted by A26B View Post
I wonder if the sending unit could be cannibalized and attached to the old jig. Course, by then one may as well R&R the old sender, I spoze...
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Last edited by Paul Workman; 01-11-2014 at 01:21 PM.
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Old 01-11-2014   #4
ghlkal
 
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Default Re: Is this the correct sending unit?

Quote:
Originally Posted by A26B View Post
I think you nailed it. One connector, one pump.
So, Jerry, the correct one does have two connectors, one going directly to each pump, right?

Mine has two connectors total, but only one for the pump. The other connector you see there is for the wiring harness. And as Paul noted that connector only has three wires (black, gray, purple) and I assume I need 4.

Darn ...

Thanks for your help guys.
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Old 01-11-2014   #5
GOLDCYLON
 
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Default Re: Is this the correct sending unit?

Quote:
Originally Posted by ghlkal View Post
I ordered a sending unit for my 1990 ZR-1 last November. I was hoping to put it in during my Christmas break. My fuel gauge is way off and I didn't want to mess with opening up the old one and trying to clean the contacts, etc, and the replacement unit was a good price.

It just arrived and I won't have a chance to look at this for a few weeks, but ... is this the correct sending unit?


I know we have two fuel pumps, but there's only one electrical connector. Since I haven't removed the old one, I don't know if this is the correct part or not.

Does anyone know?



Thanks

I concur with Jerry it appears to be the correct pump and sending unit
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91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat

90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat

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Old 01-11-2014   #6
Paul Workman
 
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Default Re: Is this the correct sending unit?

Quote:
Originally Posted by GOLDCYLON View Post
I concur with Jerry it appears to be the correct pump and sending unit
The way I read it, Jerry was agreeing that it was a single pump/sender unit.

And, the photo of the unit Jerry linked to has 4 wires on the flat connector; black, red, gray, green. The one in ghlkal's photo has only 3 wires; a ground plus one for the (single) pump, and one for the sending unit? ghlkal's is a single pump unit - or so it appears t me. No?

P.
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Good carz, good food, good friendz = the best of timez!

90 #1202
"FBI" top end ported & relieved
Cam timing by "Pete the Greek"
Sans secondaries
Chip & dyno tuning by Haibeck Automotive
SW headers, X-pipe, MF muffs

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Old 01-11-2014   #7
Blue Flame Restorations
 
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Default Re: Is this the correct sending unit?

Paul, that's what I was seeing also. You guys had me confused! LOL
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Old 01-11-2014   #8
GOLDCYLON
 
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Default Re: Is this the correct sending unit?

Quote:
Originally Posted by GOLDCYLON View Post
I concur with Jerry it appears to be the correct pump and sending unit
I was referring to the single I thought Jerry was too my bad yep not the correct dual unit
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GOLDCYLON - 11 CTS-V


Arizona State Director




91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat

90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat

11 RED/GREY CTS-V
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Old 01-11-2014   #9
-=Jeff=-
 
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Default Re: Is this the correct sending unit?

Yeah it does not match the one Jerry linked:

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Old 01-11-2014   #10
A26B
 
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Default Re: Is this the correct sending unit?

Sorry, I should have worded my reply better. I tend to be less "wordy" when I'm on my phone.

YES, 2 connectors to the pumps, 1/pump. Other connector plugs in to harness.
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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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