[DeTomaso] AC Safety Switch

[Thomas Tornblom]

F&D Terry skrev:
> Chris,
> 
> The late model cars used a pressure switch but only one pair of the 
> switch wires was used. A wiring diagram doesn't exist for these cars, so 
> don't know if it was the high or low pressure side. Try Steve Wilkinson 
> for the proper item.

My 1984 GT5, which dumped almost all of its newly filled R134a and oil 
charge on my wifes feet on the Autobahn last year, has a two pole 
switch, but it appears to be a low pressure cut-out switch only.

I'm in the process of having the system fixed again, and will install a 
dual switch, both low and high pressure cut-out.

I replaced all of the hoses last spring, but it appears that there was a 
problem with some of the steel fittings we installed. There were three 
90° fittings on the high pressure side, and two of them leaked when we 
were attempting to leak test the system. Unfortunatly the AC guy had 
only two suitable (aluminum) fittings in stock, so we could only replace 
the leaky ones. The last one gave up on the autobahn :-(

> 
> Fred T.

Thomas

> 
> Chris Difani wrote:
> 
>> Guys:
>>
>> I'm in the last stages of installing my new condenser, when I realized that I don't have a high and low pressure safety switch on my AC system. I looked thru the Pantera web site (I think it's Provamo, but I've got an instant memory.... once it's out of my sight, it's instantly gone), and since I copied the file info and pictures for the safety switch, I closed that web site... and instantly forgot it. 
>>
>> The info that I need is for the actual switch. I've got a new receiver dryer that has both the sight glass, and a pipe plug port (currently plugged) that I want to use for the pressure switch. But I just don't know what switch to get. From my reading I think I want one that is 300 PSI for the high side, and 10-15 PSI for the low side pressures. But finding one of those at my local parts store has proven to be.... ummm... difficult. 
>>
>> So, any ideas as to where a pressure switch might be found? Or maybe any part numbers? 
>>
>> Thanks for all your time,
>>
>> Chris
>>
>> Chris Difani
>> '73 L #5829 "LITNNG"
>> The Electric Pantera
>> Sacramento, CA
>> Email: cdifani at pacbell.net 
>>
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Real life:   Thomas Törnblom             Email:  Thomas.Tornblom at Hax.SE
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