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On a Ford Expedition : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
On a 1997 Ford Expedition ( 4.6 and 5.4 ) firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
Ford, Lexus, ??
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
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 Expedition
The top uppermost cylinder would be the no. 1.
On a Ford Expedition , 4.6 and 5.4 : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of V8 engine in a 1997 Ford Expedition
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
V8 engine in Ford Expedition firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
On a Ford Expedition : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle