Computer/fuel pump relay and fuse location on a - YouTube Click to view on Bing1:30Computer/fuel pump relay and fuse location on a 89to91 Chevy dodge Killer. Loading Chevy/GMC how to test for a bad fuel pump tbi - Duration: 3:39. maximum Redline 4,459 views.Author: Chevy dodge KillerViews: 134K Part 3 -Testing The Fuel Pump Relay (1997-1999 Chevy/GMC TEST 4: Bench Testing The Fuel Pump Relay Bench testing the fuel pump relay is pretty easy and in this test section I'll explain the test. In a nutshell: We'll manually apply battery power and Ground to terminals 85 and 86 of the fuel pump relay with 2 seperate jumper wires. Fuel System Control Module Fuse Replacement - YouTube Click to view on Bing1:30Does your vehicle not run? In this video we show one of the first things to check when your vehicle doesn't work. We show how to check the fuel system control module. If you have any furtherAuthor: 2CarProsViews: 132K Part 1 -1993 Fuel Pump Circuit Tests (GM 4, 5, 5) Page 1 of 2: 1993 Fuel Pump Circuit Tests (GM 4, 5, 5). Fuel Pump Relay Wiring Diagram For Chevy/GMC pickups. Fuel Pump Wiring Diagram. Fuel Pump Relay Terminal Wire Color Identification.