On the Ford 5.4 liter V8 engine in a truck / SUV :
firewall
4 - 8
3 - 7
2 - 6
1 - 5
front of vehicle
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Ford Expedition
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Ford
4 - 8 3 - 7 2 - 6 1 - 5 front
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Ford F-150
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
FIREWALL 4 - 8 3 - 7 2 - 6 1 - 5 FRONT
Firewall 4 - 8 3 - 7 2 - 6 1 - 5 FRONT Ford V8
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Ford Expedition ( V8 )
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Ford Expedition , Ford F-150
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front