Fuel Gauge Sending Unit Resistances: Notes
740, 760 & 780 SERIES FUEL GAUGE SENDING UNIT RESISTANCE
| Float Position | Ohms | |
|---|---|---|
| Primary Tank | ||
| 8.4" (213 mm) | 34-38 | |
| 5.6" (142 mm) | 61-69 | |
| 3.6" (91 mm) | 86-98 | |
| 1.8" (46 mm) | 130-146 | |
| 1.2" (30 mm) | 156-176 | |
| 0" (0 mm) | 281-311 | |
| Secondary Tank | ||
| Top | 1 | |
| Bottom | 18 | |
240 SERIES FUEL GAUGE SENDING UNIT RESISTANCE
| Float Position | Ohms | |
|---|---|---|
| Primary Tank | ||
| 7.5" (191 mm) | 35-45 | |
| 3.3" (84 mm) | 84-112 | |
| .60" (15 mm) | 197-250 | |
| 0" (0 mm) | 234-333 | |
NOTE:
Secondary fuel tank sending unit is connected in series with primary fuel tank sending unit. Add primary tank sending unit resistance to secondary tank sending unit resistance to get total resistance for circuit.