Originally Posted by ZERACER

This suggestion goes back almost to the beginning of this forum. The two most common reasons for problem starting are failures of the RCM (relay control module) and the CPS (crank position sensor). It is recommendid to keep a spare of these two items in your trunk just in case. The RCM is plug and play and takes 5 minutes. The CPS requires a small ratchet, extension and an E8 torx bit. It would be smart to keep these with you also. This can keep you from being stranded. If you ever need to replace the RCM, keep the old one and have it rebuilt by djtighe@hotmail.com and keep it as a spare.

Lots of info here.
https://www.crossfireforum.org/forum...s-repairs.html