Gm Flex Fuel Wiring Diagram

Before testing ensure that both fuel related fuses have been replaced fuse 56 ecm 15amp fuse 21 fscm 20amp steps to diagnose.

Gm flex fuel wiring diagram. In this video i wire up the flex fuel sensor that we swapped in last week. If you run into an electrical problem with your gmc you may want to take a moment and check a few things out for yourself. Wiring diagrams gmc. You will also find the pin out diagram for the fuel system control module found on 2007 and newer gm vehicles.

1 3 flex fuel sensor wiring 1. I show you how to run the wire remove the harness from the pcm and what pin needs to be added to the stock computer. Make sure to leave enough strain relief. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.

Fish the flex fuel sensor s 4 pin connector through the firewall to the mtx d gauge. Before you dive in with a multi meter you will want to obtain a free wiring diagram for your specific model you may need to locate a specific color wire and its exact location. Ms3 flex fuel install the first thing you will want to do is enable flex fuel under fuel flex sensor settings tab it will look like this note this is the settings for the chevy style sensor with temp and content hz being 50 150 look below to see the difference. I need a wiring diagram for a 2002 gmc yukon for the fuel pump circuit answered by a verified gm mechanic we use cookies to give you the best possible experience on our website.

Connect the sensor s female 4 pin connector to the male 4 pin connector on the gauge. Alldata gives you all available wiring diagram schematics updated four times a year to meet changing factory service and repair information. We are the leading source of professional diagnostic and repair information used by over 75 000 repair professionals.