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Resistance Test

Remove fuel tank sending unit from fuel tank. Measure resistance between appropriate terminals with fuel float in FULL and EMPTY positions. See Figure -Figure . Compare resistance reading to FUEL TANK SENDING UNIT RESISTANCE SPECIFICATIONS  . If resistance is not to specification, replace fuel tank sending unit.

FUEL TANK SENDING UNIT RESISTANCE SPECIFICATIONS

Application Empty Full
Diamante 109.0-111.0 2.0-4.0
Expo (Except LRV)
FWD 102.3-117.7 0.9-5.1
4WD (1) - Main 69.4-79.5 0.7-2.7
4WD (1) - Sub 32.4-37.7 0.7-2.7
Expo LRV, Colt Vista & Summit Wagon
FWD 102.3-117.7 0.9-5.1
4WD (1) - Main 72.2-83.0 0.7-2.9
4WD (1) - Sub 30.1-34.7 0.4-2.0
All Others 103.0-117.0 1.0-5.0
(1) Equipped with a main fuel sender and a sub fuel sender.