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Does it plug up direct?or do you have to wire it yourself.If you have to wire it your self,take the pump back,If it does not have specific instructions,take it back.Purchase one at NAPA or a well know parts store,not autozone or advance or oriely`s,carquest or parts plus,somewhere like that.Hope this was helpfull.
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Here's a wiring guide for the fuel pump on a 2000 Cadillac Deville:
1. Remove the fuel tank and access the fuel pump module.
2. Disconnect the electrical connector from the top of the fuel pump module.
3. Locate the wiring harness that runs from the fuel pump module to the car's electrical system.
4. Cut the wires on the old fuel pump module connector, leaving enough wire to splice the new connector onto.
5. Connect the black wire from the new fuel pump module connector to the black wire in the car's wiring harness.
6. Connect the purple wire from the new fuel pump module connector to the purple wire in the car's wiring harness.
7. Connect the gray wire from the new fuel pump module connector to the gray wire in the car's wiring harness.
8. Connect the black/white wire from the new fuel pump module connector to the black/white wire in the car's wiring harness.
9. Connect the new fuel pump module electrical connector to the car's wiring harness connector.
10. Reinstall the fuel tank.
Note that it is important to follow the wiring guide carefully to ensure proper installation and avoid damaging the fuel pump or electrical system. If you are unsure about any step of the process, it is recommended to seek assistance from a professional mechanic or refer to the vehicle's service manual.
so what is there the 96 to 99 full size had a problem with the fuel pump connectors--corrosion causing short or overheating--- so when the pump failed you were advised to cut out and replace the connector with a new design one [flat]
Delphi FA10003 Fuel Pump Wiring Harness
which are also color coded to the original one their was also a square to flat adapter so if you have the flat connector just splice to the correct color
Bosch WHGM67XMOD Fuel Pump Wiring Harness
? 3:10
https://www.youtube.com/watch?v=FffdzqknP3k
Apr 20, 2012 - Uploaded by Airtex Pumps
This video is about how to install a new Airtex fuel pump module into some GM ... fuel pump and gas tank to a 98 internal fuel pump and gas tank on my truck 88 gmc. the wires are a little different. .... Check the power & ground at the pump. ... CHEVY SILVERADO FUEL PUMP CHANGE OUT.2500HD 2001.
? 13:54
https://www.youtube.com/watch?v=Q3ZiTsKCdO8
Feb 3, 2012 - Uploaded by ScannerDanner
2001 GMC 3500 8.1L engine with no fuel pressure. In this video I am showing how to test the fuel pump electrical circuit using atest light and scan tool. ... seconds on the ground wire. when i unplug the harness from the the fuel pump .... need help newfuel pump chevy venture 2004 runs for a few days then ...
? 3:10
https://www.youtube.com/watch?v=FffdzqknP3k
Apr 20, 2012 - Uploaded by Airtex Pumps
This video is about how to install a new Airtex fuel pump module into ... When included the wiring harness ...
? 5:53
https://www.youtube.com/watch?v=9LLLRVnItbI
Apr 20, 2012 - Uploaded by Airtex Pumps
Applications: 2000-97 CHEVROLET/GMC C, K 1, 2, 3 TRUCK 262 ... This will give you the extra height ...
? 13:54
https://www.youtube.com/watch?v=Q3ZiTsKCdO8
Feb 3, 2012 - Uploaded by ScannerDanner
2001 GMC 3500 8.1L engine with no fuel pressure. In this video I am showing how to test the fuel pump ...
there were some production changes in 1998 to the fuel pump wiring, so the connector can have 2 diff fuel pump power wire colors, the most common color is grey, but the the harness at the tank has just 4 wires, the larger wires at the four wire oval connector are the fuel pump 12 Volt and the other is the ground, it is black, the other 2 wires are the sending unit, also the connectors ( Chevy factory service bulletin) on this year had a problem with burning, so if you get a new fuel pump always replace the 4 wire fuel pump connector. I have attreached a picture of the connector
unplug fuel pump harness at pump and use a test light and see if turns on when someone starting van. If it does then plug it back in. and try hitting the tank where the pump is while someone is starting it. If it starts replace the pump. If no light comes on then test the fuel pump relay.
There is a Fuel Sending Unit that Corresponds with the Fuel Pump. Not sure where on a 2000. On My 95' it was Inside the Under Hood Fuse Box, Had to replace a Relay swith too. My advice is to get a Haynes or Chilton Manual for your Truck. That will help you Further!
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