Relay help

[CapperTom]

Have just got this relay today with the fuel pump i bought and want it to switch on when the coils on and a feed from the battery for main power.

Dont understand any of it though, can any one help, here is a diagram of whats on the top of the relay.

Thanks

[flyingbanana]

 

[V8ian]

This is from memory,

 

85--feed from switched live,

 

86--- run to earth,

 

30--- feed from battery,

 

87----feed to pump,

 

Just to proove this, run a wire on a spade to 85, hold this wire to live, and flash the 86 to earth, the relay should "Click", thats the coil energising and pulling the contacts across ,the two other terminals are the load, which when pulled into contact by the coil will complete the circuit,

[Savvi]

Pin 85 is normally reconised as the earth and 86 as the switched live, by connecting these (either way round but an Electrician would expect above) you join pins 30 and 87 together to power up the accessory in your case the fuel pump.

 

 

 

So in your case connect

 

Pin 86 to your coil live with ignition on

Pin 85 to Earth

Pin 87a (outside pin) to fuel pump

Pin 30 to a fused live normally direct to the battery.

 

Hope this helps.