9 replies to this topic

[croc7]

Is there a source for a well made 3 terminal, no push button starter solenoid? Not having much confidence in the Lucas SRB325.

[Spider]

I've had good success with this style of Solenoid;-

 

https://www.ebay.com...ASABEgLCO_D_BwE

 

They are quite common.

[nicklouse]

I've had good success with this style of Solenoid;-

 

https://www.ebay.com...ASABEgLCO_D_BwE

 

They are quite common.

Any info on what terminals do what?

[GraemeC]

Looks like standard relay wiring - high current switched circuit over the larger terminals, the smaller terminals being +12V and ground for energising the coil.

The casing does not provide the ground connection as the usual Mini solenoid and no provision for a cranking feed to the coil for ballast ignition systems.

[Spider]

 

I've had good success with this style of Solenoid;-

 

https://www.ebay.com...ASABEgLCO_D_BwE

 

They are quite common.

Any info on what terminals do what?

 

 

This

 

Looks like standard relay wiring - high current switched circuit over the larger terminals, the smaller terminals being +12V and ground for energising the coil.

The casing does not provide the ground connection as the usual Mini solenoid and no provision for a cranking feed to the coil for ballast ignition systems.

 

[nicklouse]

 

 

I've had good success with this style of Solenoid;-

 

https://www.ebay.com...ASABEgLCO_D_BwE

 

They are quite common.

Any info on what terminals do what?

 

 

This

 

Looks like standard relay wiring - high current switched circuit over the larger terminals, the smaller terminals being +12V and ground for energising the coil.

The casing does not provide the ground connection as the usual Mini solenoid and no provision for a cranking feed to the coil for ballast ignition systems.

 

Cheers.

[croc7]

Looks like standard relay wiring - high current switched circuit over the larger terminals, the smaller terminals being +12V and ground for energising the coil.

The casing does not provide the ground connection as the usual Mini solenoid and no provision for a cranking feed to the coil for ballast ignition systems.

So using the standard (for my car) three terminal solenoid as a reference, the lead from the battery as well as all of the brown wires would be on one large terminal and the other large terminal would be connected to the starter?  And the white w/red tracer wire would be connected to one of the post terminals but which one?  Also when you refer to a ground to energize the coil, do you mean the coil inside of the solenoid?

[GraemeC]

 

Looks like standard relay wiring - high current switched circuit over the larger terminals, the smaller terminals being +12V and ground for energising the coil.

The casing does not provide the ground connection as the usual Mini solenoid and no provision for a cranking feed to the coil for ballast ignition systems.

So using the standard (for my car) three terminal solenoid as a reference, the lead from the battery as well as all of the brown wires would be on one large terminal and the other large terminal would be connected to the starter?  -  Yep.

And the white w/red tracer wire would be connected to one of the post terminals but which one?    -  Either of the small ones, and earth the other.

Also when you refer to a ground to energize the coil, do you mean the coil inside of the solenoid?  -  Exactly - this then connects the two large posts together.

 

Edited by GraemeC, 03 June 2020 - 07:39 PM.

[Spider]

 

Looks like standard relay wiring - high current switched circuit over the larger terminals, the smaller terminals being +12V and ground for energising the coil.

The casing does not provide the ground connection as the usual Mini solenoid and no provision for a cranking feed to the coil for ballast ignition systems.

 

So using the standard (for my car) three terminal solenoid as a reference, the lead from the battery as well as all of the brown wires would be on one large terminal and the other large terminal would be connected to the starter?  And the white w/red tracer wire would be connected to one of the post terminals but which one?  Also when you refer to a ground to energize the coil, do you mean the coil inside of the solenoid?

 

 

The Battery, Starter Motor and Brown wires would connect in that way, yes.

 

The White / Red wire connects to one of the smaller studs - either one.

 

The other smaller stud you need to connect to Earth.

 

Job done
 

[croc7]

 

 

Looks like standard relay wiring - high current switched circuit over the larger terminals, the smaller terminals being +12V and ground for energising the coil.

The casing does not provide the ground connection as the usual Mini solenoid and no provision for a cranking feed to the coil for ballast ignition systems.

 

So using the standard (for my car) three terminal solenoid as a reference, the lead from the battery as well as all of the brown wires would be on one large terminal and the other large terminal would be connected to the starter?  And the white w/red tracer wire would be connected to one of the post terminals but which one?  Also when you refer to a ground to energize the coil, do you mean the coil inside of the solenoid?

 

 

The Battery, Starter Motor and Brown wires would connect in that way, yes.

 

The White / Red wire connects to one of the smaller studs - either one.

 

The other smaller stud you need to connect to Earth.

 

Job done
 

 

Thanks for the reply, don't want to leak any smoke from the wires!!