Horn Relay Wiring Diagram 85 86 87 87a 30. Note that each pin is numbered. Relay 85 30 86 87 aux batt main wiring a into vw rl44 spst relay novita technologies horn relay wiring diagram 85 86 87 87a 30 427 gm distributor begeboy source 1988 pontiac fiero wiring diagram database test pipe try ristrutturazione case milano it.
87 and 87a are the two contacts to which 30 will connect. Ground the negative connection of the fan. Vw tech article 1968 69 wiring diagram.
In that wasy it releives the swtich and the wires from the swtich from the power load.
31921 kb understanding relays part 3. If your relay is a spdt changeover relay you can. Basically a relay is having four basic terminals which are 85 86 30 and 87. Relay wiring diagram horn.