October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Engine Compartment Thermal Switch

Disconnect switch connector and connect ohmmeter between terminals at side of switch. See Fig 1 that switch is on (ohmmeter indicates zero) when ambient temperature is below 45°F (7°C) and off (ohmmeter indicates infinity) when ambient temperature is above 68°F (20°C).

Fig 1: Checking Engine Compartment Thermal Switch