1964 Chevelle
1965 Chevelle
1966 Chevelle
1967 Chevelle
1968 Chevelle
1969 Chevelle
1970 Chevelle
1971 Chevelle
1972 Chevelle
Typical Cooling Fan Relay
The "30" terminal connects the relay to the battery or 12V
source.
The "86" terminal connects to the master arming switch - either
a separate switch or the ignition switch.
The "87" terminal connects to the fan. The "87a"
terminal can be left empty since it goes to ground.
The "85" terminal connects to the accessory trigger (thermostat
activated) switch.
The in-line fuse capacity should be above the amperage pull of the fan motor itself.
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