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Air Conditioning Schematics
The information on this page is very useful when performing an LSx or LT1 conversion into a vehicle with factory air conditioning systems. The schematics will allow the user to properly identify the air conditioning connectors in their vehicle and pinout the leads necessary to make the LSx or LT1 electronics work with their factory air conditioner making for a PLUG AND PLAY Harness solution.
New diagrams will be continually added so be sure to check back often. If you like what you see, please Like Us on Facebook or if you have suggestions for this repository please email us atinfo@psiconversion.com to let us know. Thanks for checking us out.
F-Body Air Conditioning Schematics (98 - 02 Camaro, Firebird)
These schematics detail the power and ground wires as well as wires which provide high and low pressure signals for a factory f-body air conditioning system. The a/c request wire (which triggers the PCM to turn the fans on and change idle tables when a/c is engaged) is typically prewired by PSI. If not, the wiring schematics below detail the pinout location.
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00 F-Body Gage Cluster Pinout 02 |
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B-Body Gage Cluster Schematics (94 - 96 Caprice, Impala, Fleetwood, Roadmaster)
S-10 Gage Cluster Schematics
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98 S-10 Gage Cluster C203 Pinout |
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03 S-10 Gage Cluster Pinout 05 |
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C/K Truck Gage Cluster Schematics (87 - 93 Chevy Silverado and GMC Sierra 1500, 2500, 3500, Suburban, Tahoe) These schematics detail the power and ground wires as well as wires and additional wiring for the C/K Truck Gages. Unlike the F-Body, the gages on the C/K Trucks do not wire through a serial data wire, so therefore it is not required to wire the oil pressure and water temperature for these gages through the LSx engine harness. They will typically be wired independent of the engine harness and utilize the C/K truck's original senders.
Ford Mustang (86 - 04 Fox Body, SN95) These schematics detail wiring pinouts for the Mustang Gage cluster. Even if not using the stock Mustang Gage cluster, they are useful for determining the pinout for turn signals, high beam and check engine light when wiring an F-Body gage cluster into the vehicle.
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