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what is this ?

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Old

Mar 23, 2011 | 09:55 PM

#1

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Member

Joined: Feb 2009

Posts: 150

Likes: 1

From: OAKLAND, CA.

Car: 92 RS

Engine: 383 FIRST TPI OBDII DBW

Transmission: T-56

Axle/Gears: 3.73 POSI DISK

what is this ?

what does the switch on the air conditioning line on the passenger side next to the fan switch do? I believe it has 2 wires coming out of it ? or can someone point me out the diagram thanks

Old

Mar 23, 2011 | 10:49 PM

#2

Junior Member

Joined: Apr 2010

Posts: 86

Likes: 0

From: knoxville tn

Car: 1986 iroc Z-28

Engine: "LB-9" TPI 305

Transmission: 700-R-4

Axle/Gears: corporate 2:73-1

Re: what is this ?

its a pressure switch,it protects the AC compressor from harm should you lose all your 134A

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