> " snipped-for-privacy@n>
> > i am trying to troubleshoot the a/c electrical system on my 93 taurus..
> > got the shop manual and am waiting on the elect. and vacuum
> > troubleshooting book to come from helm... right now i need to get some
> > info.. the letters of the sensing/control modules are confusing...
> > i got some and need the answers for others::
> > 1-PCM powertrain control module
> > 2- CELO cold engine lockout switch
> > 3-EATC control assembly(what is this???)
> >
>
> Electronic automatic temperature control
> Only on deluxe models with electronic climate control.
>
> > 4- CCRM what is this????
> >
>
> constant control relay module.
> (which is the relay module above the radiator among other names for it )
> 12-00-30 in the green manual gives a internal diagram of it.
>
> Google would have gave you the info on the names.
>
> BOB
>
> >
>
>