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| Wiring Help with pic https://www.ausmini.com/forums/viewtopic.php?f=2&t=53601 |
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| Author: | 72clubman [ Mon May 25, 2009 7:46 pm ] |
| Post subject: | Wiring Help with pic |
is this a starter solenoid or switch? 
The wires on it are a white with red trace which goes to starter motor solenoid 2 black wires going to ground and i am sure there was another wire in the middle question: in my haste for cleaning up my wiring i don't remember what wire goes to the middle spade connector? anyone else with a 77 clubman have this switch or a picture or something |
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| Author: | Wombat [ Mon May 25, 2009 8:22 pm ] |
| Post subject: | |
It's a relay - don't know enough about Clubbies to know if this was standard or an after thought |
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| Author: | micowen [ Mon May 25, 2009 8:24 pm ] |
| Post subject: | |
I am a VERY novice home mechanic/sparky. I only have my crappy lil grunt to go by, but it looks kinda like a relay to me. Apart from that, I am no help at all! Sorry. |
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| Author: | sgc [ Mon May 25, 2009 8:54 pm ] |
| Post subject: | |
Wombat wrote: It's a relay - don't know enough about Clubbies to know if this was standard or an after thought
It's definitely a relay, but I don't think any Clubby had them fitted at the factory. I'd bet it's either for air horns (if you have any) or lights. The line from the starter solenoid will be the power feed, you should have a wire going off to a switch in the car somewhere, and another off to whatever is being fed by the relay. Good luck... |
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| Author: | Morris 1100 [ Mon May 25, 2009 8:57 pm ] |
| Post subject: | |
The late cars had a relay on the RH inner guard. I don't recall what it was for. 
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| Author: | 850man [ Mon May 25, 2009 9:07 pm ] |
| Post subject: | |
Its the factory fitted relay that operates the Brake fail light in the dash. The black & black w white trace wires should have a plastic plug on them, they connect to the switch that should be in the side of the tandem master cylinder. the other 2 wires will be scotch locked into the loom up around the fuze box. |
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| Author: | Morris 1100 [ Mon May 25, 2009 9:09 pm ] |
| Post subject: | |
Ah ha!!! I knew that there was a reason why the late cars had one. 
Thanks for that. |
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| Author: | 72clubman [ Mon May 25, 2009 9:22 pm ] |
| Post subject: | |
i thought that the brake Master Cylinder switch went in there, but i wasn't sure why would the white with red trace(going to starter solenoid) be on the same relay ? |
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| Author: | 850man [ Mon May 25, 2009 9:26 pm ] |
| Post subject: | |
heres a pic... 
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| Author: | 72clubman [ Mon May 25, 2009 9:46 pm ] |
| Post subject: | |
that is a legendary pic just what i needed dont suppose you know what colour the white wires are ie white black also are there 3 or 4 connections on the relay |
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| Author: | sgc [ Mon May 25, 2009 10:15 pm ] |
| Post subject: | |
850man wrote: Its the factory fitted relay that operates the Brake fail light in the dash
Wow, there you go, I've learned something today 
My '78 van has the brake warning light missing, that'd be why I don't have one
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| Author: | 72clubman [ Tue May 26, 2009 2:39 pm ] |
| Post subject: | |
i am going to assume the the white red from the starter solenoid goes to the brake switch relay providing power (there is a t join on this wire) rest of the wire will go to the start/ignition switch the white black comes from the tandem MC brake switch to the relay providing the signal (eg brake mc is faulty or not) And there are 2 ground cables on the relay Does this sound right? None of this is shown in the wiring manual By Relay i mean the thing in the first pic i posted |
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| Author: | gafmo [ Tue May 26, 2009 6:54 pm ] |
| Post subject: | |
Correct me if I'm wrong here but you shouldn't have two Black /earth wires only one (position #30) |
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| Author: | Mick [ Tue May 26, 2009 7:00 pm ] |
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i had one on the 1275LS...i never did work out what it did, but there you go...
Its like Paris's snatch, once you've seen it, there's no more mysteries left to solve in the world.... |
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| Author: | 850man [ Tue May 26, 2009 8:54 pm ] |
| Post subject: | |
OK see if you can follow this. The relay is wired - 86 & 87 BLACK - joined together & are attached next to the relay bracket/earth with a self tapper. 85 White w red - scotch locked to the White w red wire in loom. 30 White w black - scotch locked to the Black w white wire in loom. The relay switches earth & is used to self test the "Brake Fail" light every time you turn the key to start. The black plastic plug goes to the switch on the master cylinder - this switch will work if the valve in the master cylinder moves due to a problem with the brakes (eg loss of fluid) & the light comes on - it has 2 wires Black w white, this gos to the light & Black - gos to earth The light itself has the Black w white wire and a green power wire from the fuze box. Most cars these days the switch has been broken of the master cylinder and the Brake fail system doesnt work. The other light in the dash is the hand brake light, it also has a green power wire and a red wire that gos down to the switch on the hand brake lever. I hope this answers your question. Regards David. |
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