Electrical gremlins ?

[vector]

Just purhased a '89 944 n/a with 118k miles on it last week. Two days ago I drove it to the store 4 miles away came home, parked it and 1 hour later it would not start, turned over but no fire. After extensive research in the archives and checking the suggested items such as dme, relay , fuses, fuel pump etc. I finally used contact cleaner on several connectors against the firewall and it fired right up. However, my a/c now blows hot air (previously ice cold) and the radio is dead.

The a/c blower works, the compressor clutch engages, there are bubbles showing in the sight glass and I got a reading of 200 psi on the high side. (possible that previous owner charged system and now it has leaked down ? I pulled the radio and have 12 volts standing on the battery direct wire, but get nothing on the +14v wire when the key is turned on. Any thoughts would be greatly appreciated.

Additionally, the maintenance records stop at 85k, so I'm doing the change all fluids, timing belt, possible water pump thing, clutch feels fine, brake pads are good suspension feels a little loose, anything else I should check ?

[Mrmerlin]

[QUOTE]Originally posted by vector:
Hi Vector, since your doing your own repairs I would suggest that you remove evey relay and clen the connectors and put some dielectric grease on them and also replace every fuse in the fuse panel also use the grease.
When you remove the relays see if there looks like a orange or green powder under any of the relays if so this means water has gotten into your fuse panel and possibly ruined a relay, if all is clean then replacing the fuses should fix your problem.
One thing to notice make shure that the fuses fit in their respective slots snug, if one pin is loose then you will have to disassemble the fuse panel and retension the femal slots the fuses fit into, my clock /hatch release fuse was blowing and it turned out to be the female slots were opened just enough to lose contact and this was blowing the fuse..........Stan

[vector]

Thanks Stan! Radio is fixed. You were dead on. Had a loose female slot for the radio fuse. Still troubleshooting a/c.