Firing order for 1986 mercury cougar 3.8 - 1986 Mercury Cougar

142536 the cyl 123 are on the right and 456 on the left

Hope this works for you its the firing order for a 2.5.

1-3-7-2-6-5-4-8

I get firing orders from:
http://autorepair.about.com/library/firing_orders/bl-fo-7425.htm

Here is a
1994 Mercury Cougar/XR7
3.8 liter V-6 VIN "4"

153624 1342 4cyl

did you mean the ignition cable routing?

1989 Mercury Merkur Xr4ti 2.3 liter SOHC Turbo L4 VIN "W"

Firing order: 1-3-4-2
Cylinder# Radiator to firewall: 1-2-3-4
Distributor: Clock wise #1 is located by the 1 O'clock position and the next one over is Cylinder #3, 5 O'clock position.

the firing order is 123456, go o the link for a piture of the coil pack and cylinder locations each plug wire goes to.

http://autorepair.about.com/library/firing_orders/bl-fo-4103.htm

On the 2002 Mercury Cougar
For the 2.5L V6 DOHC:

Firing Order:
1-2-3-4-5-6

Cylinders:
.....(back)
1......2......3
4......5......6
.....(front)

Ignition Coil:
.(back)
4...6...5
3...2...1
.(front)

Here ya go!!!