Courier L4-2299cc Courier (1982)
Spark Control Relay: Testing and Inspection
Water Thermo Switch
Water Thermo Switch, 2.3L Calif.
1. Remove thermo switch.
2. Connect an ohmmeter across the switch terminals and place sensor end of switch in a water filled container. Place a thermometer into water and
gradually heat water while observing thermometer.
3. Note temperature at which continuity exists between switch terminals. The specified temperature is 131 ±4°F. Replace switch if temperature is not
within specifications.
Distributor Water Thermo Switch, 2.3L With Auto. Trans., Calif.
The procedure to test this switch is the same as the one described previously for the Water Thermo Switch, 2.3L Calif. However, the specified
temperature is 50 ±4°F or above.
