How to Test and Replace your Fuel Gauge and Sending Unit . Fuel Gauge . Check the wiring diagram that comes with the kit and mark the back of the new fuel gauge with symbols for each post: "S" for the sender, "G" or "—" for the ground, and "I" for the ignition. Install the new gauge, reconnect the wiring and turn on the power. The fuel gauge should now show the correct fuel level in
Fuel Gauge - Sender -Wiring - 2000-2014 Silverado & Sierra HD . 2) Loosen the fuel filler cap in order to relieve the tank vapor pressure. 3) Connect the J 34730-1A fuel pressure gauge or the equivalent to the fuel pressure connection. 4) Wrap a shop towel around the fitting while connecting the gauge in order to avoid spillage. 5) Install the bleed hose of the gauge into an approved container. SilveradoSierra.com • fuel gauge test! ing? : Electrical . 1998 GMC Sierra 5.7L 4x4 , I have a fuel gauge problem. The gauge will not read below a 1/2 tank. I also got an accurate wiring diagram from an auto elec. shop with pin configurations. The sending unit goes throught a vechicle control module before it gets to the instrument cluster (not Gm fuel pump wiring - YouTube . Wiring GM fuel pump. How to Install Fuel Pump E3947M in 1997-2000 Chevrolet/GMC C, K 1, 2, 3 TRUCK 262 - Duration: 5:53. Airtex-ASC Performance Pumps 115,043 views PDF Fuel Level Sender Installation Instructions - vdo-gauges.com . wiring instructions. Always disconnect battery ground before making any electrical connections. Parts of the Fuel Level Sender Unit to be Ad Fuel Level Sender Installation: Refer to the VDO catalog for matching fuel gauges. The unit can be adjusted to read accurately in tanks from 6" to 23" dee! p. Diagram B I. Measure the depth of your fuel tank.
