5 replies to this topic

[Spherix]

Hi there,

 

I have browsed through the redrawn wiring schematics and the haynes, but unfortunately still have a hard time identifying some of the wires that came with my car and it's SPI engine as colours are either different or the descriptive texts are too fuzzy to read (and no, I don't need glasses ) . The shell is from 1984 whereas the engine/loom supposedly are from a '94 spi cooper, so not everything matches up.

 

What I'm left with after installing everything:

 

Green-Red & Black wires coming out of the loom in front of the grille, only wires that continue further are the LH indicators. Are these for the thermostat sensor?

 

Collection of bullet connectors under the grille, I cannot identify the 'pure red' wire that goes to the headlamps, but rather found a red-black and red-white wire. Untaped the loom further and it seems they are individual contacts, as red-white is spliced in to more of the same, whereas red-black seems to follow it's own route up. 

 

 

Long separate loom that splits off roughly at the position of the brake servo, are these for additional spotlights by any chance?

 

Black / Blue-yellow on the two connectors, and a single blue-white bullet connector

 

 

And then next to one of the main loom connectors that goes on to the ignition barrel, I found an unfamiliar looking connector with wires spliced in to it. One of them had it's mantle burnt away by a short in the past. I can't seem to figure out what this would connect to, could this have been part of an alarm?

 

 

And another behind the dash, two of these odd looking connectors. I'm assuming one is for the reverse switch (haven't connected that yet), but not sure what the other would be used for. The heater has it's own separate two wires.

 

White connector: green / green-brown

Black connector: black / green-orange

 

 

I hope someone can help me out! Thanks in advance.

 

[Johnmar]

Hi,

Thankfully you wrote down the colours. What I found:

GR/B = LH indicator
UY/B = RH driving light

RB = LH Side and tail lamps
RW - RH Side and tail lamps
UW = RH headlamp main beam. driving lamp relay

 

GN/G (white connector) = Reverse lamp switch
LGO/B (black connector) = Blower Fan

the odd connector with 5 terminals I could not find. But if you describe the wire colours towards it I might be able to give it a shot..

[Spherix]

Thanks! Where did you look this up?

The 5 terminal one has only 2 connectors: purple and green-white.

The blower fan confuses me a little, as just above there is the same colour wires but then as separate spade and bullet connectors, matching those on the housing of the blower.

As for the front, thanks a bunch, I was not aware headlamps had different red wires for each handed side. Makes me wonder why they didnt do that with the rest of em instead of splicing them behind the grille.

The LH indicator has a green-white and black combo, which show up slightly after the pictured green-red and black, hence my thought that they logically (physicially) seem to be the radiator thermostat switch. I couldn't find that item listed in the SPI diagrams though.

[Johnmar]

The blower fan confuses me a little, as just above there is the same colour wires but then as separate spade and bullet connectors, matching those on the housing of the blower.
 

OK, this colour combination (LGO/B) is also are used for:

 

- Automatic Gearbox Illumination

And I "think" I recall this plug also near my white one (reverse switch) but not being used in my manual drive mini. I guess they perhaps use this same loom part, but could be wrong here..
(see page #17 of the PDF I send you via Whatsapp)


GW/B = Indicator or Side Lights (see page #11 of the PDF) 

Edited by Johnmar, 22 June 2021 - 06:37 AM.

[Spherix]

Right, so I actually made a mistake there haha, I had the radiator thermostat switch hooked up to an indicator. For anyones reference, that switch is supposed to be wired with a thicker green-white and black combo at the end of that loom, and the indicators need to come from the thinner green-red and black combo a bit earlier in the loom.

The last cables I'm stuck with are fhese two thicker black ones. Normally I'd assume they are ground wires, but if I check them for continuity against eachother I get nothing, and against other ground points in the engine bay one has no response, and the other gives a random value on my multimeter instead of the beeping noise it should make. I'm assuming one of them might be a switched ground from the ECU as the wires vanish in to the engine harness.


1. Can I safely hook these up to ground
2. Where would they normally attach?

I have a ground point with 3 smaller wires joining there on the RH inner wing near the servo, I could hook them up there as there is plenty of slack.

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[GraemeC]

Yes they are grounds.

You aren't likely to get continuity between them as they're not doubt connected to different things at the other end.  You also won't get continuity to ground as you've not connected them to ground yet!

 

They'll be fine on the ground point you've identified if there is sufficient slack.