I actually took my CCRM apart and tested the relays inside to make sure that one of them wasn't bad, but a quicker way would be to listen or have someone listen to it while the key is turned to "ON" - if you can hear the clicking then its probably alright.
One of the diagrams I posted showed the wire color for the connector that you are talking about, which is under the rear bumper, parallel to the rear bumper (runs side to side not front to back) so I know which one you are talking about. Not sure on which pin you should be testing though, just know it by color.
Have you confirmed at the fuel rail that there is no fuel coming up?
94-04 Mustang Cobra Tech and DIY projects - dbdragster.com
'99 Cobra - #256 of 4055
'88 LX 5.0 - Deceased
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