gizmo.john

If you mean all wires to the pressure sw are dead then its not the pressure switch thats faulty- it will most likely be the deicing switch that is tripping. This is located on the evaporator (extremely difficult to get to). The deicing switch operates when the evaporator (located in dash with heater matrix) gets too cold, usually because ice has built up on it. It is not unknown for the deicing switch to be faulty, but the usual cause for icing is blocked water drain tubes (subject of a Ford TIS bulletin) combined with low air flow -usually a blocked pollen filter. It is possible to short out the deicing switch - refer to the TIS CD electrical diagrams. A simple test would be to put the a/c fan speed to full and see if the a/c runs longer before it stopped. If you havent changed the pollen filter within the last 30,000 miles, I would consider that first. And then crawl under the car engine bulkhead, locate the 2 (IIRC) drain tubes, remove the valves if they are still there and use a small screwdriver to clean the tubes and release any water still in the evaporator. thanks will try that tomorrow

Seems like the pressure switch is turning your A/C on and off on command. Have you had the low and high pressure tested on a hot day? the last time i had aircon regassed the chap changed the pressure switch it was a hot day

check your fuse box big 40amp fuse located next to the relays this works fans for the aircon separate system to cooling fans

Without specialist test equipment? No. when my aircon stops working the wires to the switch are dead but when aircon works they are live. had car ticking over for half hour and engine fans were working fine

try ebay

my air con is doing the same not as i stated in my other section have tried everything even fords of wrexham haven't a clue what it is anyone got any idear. my cooling fans on the radiator work but as the outside temp rises in the mornings the aircon stops but my cooling fans still work when in traffic

sorry forgot to list mark 1: year 1999: 2.3: single:ok here we go have tried fans ok a/c condensor ok and pressure s/w cuts out ok gas ok as had it checked again by a different company who again didn't charge me for regassing it and it still will not work

glad to be some help but it is an easy job. glad i done mine yesterday as it is pissing down

air con works fine every morning for about 10 miles then just decides it's had enough. had the same problem before i had it serviced checked the relay and it is fine but there is no power to the compressor when the engine is at normal temp

the relays are located behind the fuses look in faq shows you how to take fuse box out with pics and step by step instructions

hi mine done the same try lifting one wiper arm of the window then turn the wipers back on if the over wiper moves then it is the linkages that are seized toke me about two hours to do and saved alot of cash on a new one