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Topic: Fuel Pump Relay Location???

in Forum: C3 Fuel, Emission Control, and Exhaust Systems

Fuel Pump Relay Location???

Posted: 3/10/10 11:15am Message 1 of 13
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Brockport, NY - USA
Joined: 1/2/2003
Posts: 44
Vette(s): 1982 Collector Edition

Where is the fuel pump relay located? Have checked all fuses and connections. Vette still won't start. Tested feul pump by appling 12 volts to it and it sounded like it was working. Did find the antenna relay. But not the fuel pump relay.

Dan




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Fuel Pump Relay Location???

Posted: 3/11/10 5:17am Message 2 of 13
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Cramerton, NC - USA
Joined: 8/22/2006
Posts: 1094
Vette(s): black 1982 coupe slate gray interior, 350 crossfire, 1985 fuel pump, Steeroids R&P conversion
Fuel pump relay is in the battery box.  The fuse for the relay is in the battery box as well, its an inline fuse, I think is a 20 amp.  If all else fails in finding your problem, check under the shifter console, the anti-theft relay is located just forward of the shifter with the connector facing the drivers side.  Make sure that connector is tight, it will stop the starter circutits from engaging as well.  Long shot but worth a try.   Have you used a meter to see if you are getting power to the fuel pump connections when the key is turned.  Probably take two people for that one, ont to turn the key and another to watch the meter. Crossfire19822010-03-11 05:22:31


Fuel Pump Relay Location???

Posted: 3/11/10 5:49am Message 3 of 13
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Brockport, NY - USA
Joined: 1/2/2003
Posts: 44
Vette(s): 1982 Collector Edition
Is it in the side with the battery or in the side next to the battery. Yesterday i took out a relay that I thought was the fuel pump relay only to find out it was the antenna relay.
Dan



Fuel Pump Relay Location???

Posted: 3/11/10 2:34pm Message 4 of 13
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Flanders, NJ - USA
Joined: 1/27/2004
Posts: 2553
Vette(s): 1982 Black, ZZ4, Hooker Side Pipes, 3.55 Rear, Rebuilt & upgraded 700R4, All new suspension, brakes, & new Charcoal interior.
IF I REMEMBER CORRECTLY, THE FUEL PUMP RELAY IS IN THE PASS. SIDE COMPARTMENT.
DAVE



 

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Dave's '82


   

Fuel Pump Relay Location???

Posted: 3/11/10 4:21pm Message 5 of 13
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Cramerton, NC - USA
Joined: 8/22/2006
Posts: 1094
Vette(s): black 1982 coupe slate gray interior, 350 crossfire, 1985 fuel pump, Steeroids R&P conversion
Dan, the good news is that it is right behind the drivers seat.  The BAD NEWS is that the sadist that designed these cars decided to put it BEHIND the mounting plate for the ECM.  This pic shows the location.  There is nothing like working with your head in the battery compartment and using a mirror to see bolts you cant see otherwise and can barely reach.  You have probably already done this but removing the entire drivers seat makes this alot easier.  A towel over the door threshold keeps from scratching anything.
Crossfire19822010-03-11 16:22:42


Fuel Pump Relay Location???

Posted: 3/11/10 7:01pm Message 6 of 13
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Brockport, NY - USA
Joined: 1/2/2003
Posts: 44
Vette(s): 1982 Collector Edition
After rechecking he battery box area again I did find the fuel relay. Just as a precaution I will replace the relay.
Also removed the hyperchip out of ecm. put old chip back in.  still didn't start but will get new relay and re check.
How do you get pics in your posts. and on your profile.
 
Love working on my vette.but would love to know I am going in the right direction.
 
P.S.  Can't Wait to start crusing ........CryCryWits Endlol



Fuel Pump Relay Location???

Posted: 3/12/10 2:05pm Message 7 of 13
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Cramerton, NC - USA
Joined: 8/22/2006
Posts: 1094
Vette(s): black 1982 coupe slate gray interior, 350 crossfire, 1985 fuel pump, Steeroids R&P conversion
There is a post somewhere by Adam that tells how to do the signature pics, let me see if I can find it or if anyone else locates it, please post.
EDIT:  Here it is  I have no idea why it is not showing as a link.  You may have to copy and paste it into your browser address bar.
http://www.c3vr.com/forum/faqs-tips-read-before-asking-your-questin_topic71284.html?KW=settings
Crossfire19822010-03-12 14:15:54


Fuel Pump Relay Location???

Posted: 3/12/10 7:00pm Message 8 of 13
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Oak Creek, WI - USA
Joined: 5/21/2008
Posts: 1965
Vette(s): 1981 Great White Shark. Red Interior, 350/190 hp. PS, PB (SS), A/C CC, T-Tops. Served three years in Active Duty Army, then Retired Air Force after 34 years! Badger State Vettes Car Club. 175,000 Original miles!! Now own a 1998 C-5!

Did Dave put that relay there??  That was dumb of him !!

Dan



Fuel Pump Relay Location???

Posted: 3/22/10 11:29pm Message 9 of 13
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Brockport, NY - USA
Joined: 1/2/2003
Posts: 44
Vette(s): 1982 Collector Edition

recieved relaytoday but was wrong relay or is there another spot that the relay could be located. The one on the back of the puter was black in color and connectors are different.

Dan




Fuel Pump Relay Location???

Posted: 3/23/10 4:45am Message 10 of 13
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Cramerton, NC - USA
Joined: 8/22/2006
Posts: 1094
Vette(s): black 1982 coupe slate gray interior, 350 crossfire, 1985 fuel pump, Steeroids R&P conversion

This is what you should find in that area: ECM, Electronic Spark Control, Fuel pump relay, E-Cell timer (long thin tan object) and the inline fuse for the relay. (Photo courtesy of Joel Adams)
Crossfire19822010-03-23 04:48:35


in Forum: C3 Fuel, Emission Control, and Exhaust Systems


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