Product description
P1800S P1800E 1800ES
142 144 145 164
240 260
High beam, Overdrive
Wire connections
56a = High beam
56b = Low beam
56 = Indicator switch Highbeam (on/off)
31b = Indicator switch Highbeam (Flash)
15 = Power from the battery
To replace 679337 Overdrive Relay
Wire connections:
15 and 56 = Power from the battery
56a = Overdrive and Overdrive light
31b = Overdrive Column Switch