Larry I have had both right and left go out..
The set of all 4 is pretty cheap at pinwall. ($29.00)
I can look tonight and send you a couple if
I have any rears left. once removed you
will wonder how they can stay good as ALL
the weather and mess go right into the connections
under there.
Jeff
Also, most of the time the wire in the coil is what goes bad
not the coil itself. but with the coil test bad