10 replies to this topic

[carred]

Okay, so now I got an A+ 1380cc engine for my old 1976 Mini, and currently I am stuck at connecting the new pre-engaged starter motor to the loom, which originally was made for an inertia starter motor.

I can remember when I disconnected the cables from the external starter solenoid, there were four types of cables:

1. power supply from battery

2. solenoid to starter

3. power supply from solenoid to rest of car (was together with cable #1)

4. signal for starter impulse

Can someone tell me how to set up the wiring with my new starter? It would help me a lot.

Cheers and a happy new year to all of you

[Carlzilla]

A is from the battery, and all brown wires that are on the same terminal.
B is brown with a red stripe which was on a normal sized female spade terminal.
C you dont need to mess with.
D is normally yellow i think, it goes to the coil positive to help with starting.

[carred]

Thanks a lot, A is clear to me now. B would be the signal from the ignition barrel when the key is turned over, I suppose? C can be ignored and what about D, since I got a megajolt system? Is that "help" really needed or can it be neglected?

Cheers

[Carlzilla]

B is from the ignition barrel yep. If you have megajolt, no need to worry about D. C is just the small lead from the solenoid to the motor itself, so doesnt need to be touched unless you fit a new solenoid :)

[carred]

Alright, thanks again, Carlzilla. That help came faster than I ever could have imagined

Edited by carred, 31 December 2011 - 09:55 PM.

[buxvan]

morning, i've got exactly the same type of problem as i am fitting an 1987 metro engine into my 79 clubby van.

problem is that i do not have the thick brown/red wire that connects to terminal (B) on carred's nice quality photo.

i have used the original external solenoid as a junction box (all brown & brown/blue cables along with the main cable supply from the battery & main supply to starter motor are all connected to 1 post) in other words all those cables are bypassing it. these all now terminate at terminal (A) on the starter motor
i have extended the thinner white/red wire which was originally connected to the bypassed solenoid & this is now connected to terminal (D) this white/red wire becomes live when i turn the ignition switch to full turn (starting position)
the cables connected to (A) are live all the time.
terminal (B) is a bigger spade connection than terminal (D)

JUST CANT GET MY HEAD AROUND THIS !!! (any hints please)

[Carlzilla]

White/ red sounds like it should be B
D is just a cable that goes to the coil positive. If you don't have a white/red on the coil then it's definitely B. If you have a yellow one at the coil it will go to D.
Someone may have replaced it with a different cable somewhere so if you have a spare cable at the starter then its probably that. Best to check first!
Ignore the size of the spade terminals between the two solenoids, they're not related!

[buxvan]

thanks carzilla, spot on mate, now cranking over ! thanks again, also as an added bonus i've even found my old massarti air horns, connected up & even though i last used then about 12 years ago they still work ..

[lrostoke]

The wire that goes to terminal B is normally run through a relay.

Ignition key switches the relay then the relay sends power to terminal B

Probably something do with the solenoid on the later ones drawing more power.

You could use the original wing mounted solenoid as a relay, connect the white/red back to the original solenoid, then run a wire from the now spare threaded terminal on the wing solenoid to the new starter terminal B

[buxvan]

i was wondering about that, as that terminal is a larger one. think i'll do what you suggested as i don't liked melted wire smells.

[Neildanks]

Very good information here i will be trying this method feeding battery lead directly to starter then coming off the original starter with a new wire to switch the starter on