10
Ford F-250/350 Super Duty Truck
K3 Relay Ground
Secure K3 Relay ground wire to a known good chassis
ground.
– (1) K3 relay ground
– (2) A-pillar (right-side)
Heater Control and Fuel Pump Harness
Routing
CAUTION
Secure heater control and fuel pump harnesses away
from hot exhaust components and moving vehicle
components with cable ties.
Route the heater control and fuel pump harnesses under
the engine to the right side of the vehicle.
– (1) Heater control and fuel pump harnesses
– (2) Engine oil pan
Secure the heater control and fuel pump harnesses to the
engine cradle with cable ties. See Figure 13.
– (1) Engine oil pan
– (2) Engine cradle
– (3) Heater control and fuel pump harnesses
Route the heater control and fuel pump harnesses over
the right framerail where shown in Figure 14.
– (1) Heater control and fuel pump harnesses
– (2) Right framerail
ATTENTION
The remainder of the fuel pump harness will be routed
later in this manual.
1
2
Fig. 11
Fig. 12
2
1
Fig. 13
2
1
3
Fig. 14
2
1
