Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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A/C Low Pressure Switch







The low-pressure switch is located on the low-side refrigerant line running along the engine compartment rear bulkhead, just above the evaporator case. It is mounted on a Schrader valve, therefore, the system does not have to be discharged to remove the switch.

Remove or Disconnect
1. Negative battery cable.
2. Switch electrical connector.
3. Switch by unscrewing from the refrigerant line.

Install or Connect
1. Low-pressure switch to refrigerant line.
2. Electrical connector to switch.
3. Negative battery cable.