3 replies to this topic

[mattaebersold]

This might be a difficult one to explain, but I will try. If recording a youtube video would help, I'm happy to do that.

 

Car: 1991 Japan Spec Mini 1000cc

 

Problem:

• First off, I had to remove the clocks to gain access to the dash in order to do some repairs. I took the clocks apart to clean them, and they all went back together just fine.
• Taking apart the clocks was also an attempt to see why the tach doesn't work, it never did since I got the car
• Re-assembling the dash surfaced a few issues:
• I noticed the lights on the cluster aren't working anymore
• The 'flasher' cylinder has 2 green wires going into it, and one green wire going into the tach
• Turning the car on, the tac was working for a couple of minutes, but then didn't again
• I think I got the 3 green wires mis-matched (one goes into the back of the tach, the other 2 go into the cylinder)
• I tried to look at the wiring diagram, but I'm really confused trying to parse that....
• Does anyone know which order the 3 green wires go in? 2 of them are green/brown, and the other one is a solid green wire

 

But this raises a somewhat related issue:

- headlights have always worked intermittently

- looking at the fuse box, the bottom right connection doesn't have anything plugged into it

- I can't see any wires in the engine bay that *would* plug in there

- the inline fuses of the wires that go into the box are OK

- would this fuse not being connected have any relationship to these issues? (tach, headlights, cluster lights)?

 

Attached are a few photos showing the issues

Gallery is also located here: https://imgur.com/a/BEP5S24

Attached Files

•  Screen Shot 2022-10-26 at 2.34.45 PM.jpg   52.29K   2 downloads
•  Screen Shot 2022-10-26 at 2.34.54 PM.jpg   32.36K   1 downloads
•  Screen Shot 2022-10-26 at 2.35.03 PM.jpg   45.8K   3 downloads

[Ethel]

Solid green is ignition live via a fuse, likely the power supply for the tacho.

 

The "cylinder" is the indicator flasher unit. One's the supply, the other goes to the indicator stalk, via the hazard switch ( so it can turn off the indicators when it turns on the hazards).

 

The empty fuse instrument illumination, as well as left side& tail.

 

(Edited because I confused myself over the likely revision - did you notice a large pink relay when you found the flasher unit?)

 

https://www.theminif...s-covered-data/

[mattaebersold]

Solid green is ignition live via a fuse, likely the power supply for the tacho.

 

The "cylinder" is the indicator flasher unit. One's the supply, the other goes to the indicator stalk, via the hazard switch ( so it can turn off the indicators when it turns on the hazards).

 

The empty fuse instrument illumination, as well as left side& tail.

 

(Edited because I confused myself over the likely revision - did you notice a large pink relay when you found the flasher unit?)

 

https://www.theminif...s-covered-data/

 

That link for the fuse diagram is wild... like my instrument panel lights were working for the longest time (they would always be on, no matter if the headlight switch was on). Does that mean that the line is possibly re-wired, and not running through the fuse block... that would possibly explain why there's no obvious wire to connect to the other side of the fuse...

[Ethel]

They should be fed from from the 1st position of the light switch, which should always work so you can park with sidelights on.

 

If it's a Japanese model, I'm not 100% sure if it should have a dim/dip relay. It shouldn't make any difference if you're tinkering with the ignition off, but offer great potential for confusion & messing with the original wiring.

 

The Haynes wiring diagrams suggests everything on 1st position of the lights rocker switch is connected through the bottom fuse & the tacho is powered off the wiper circuit, which starts with the green/orange wire on the next fuse up.