Jonathan Kay

There's another very similar problem on the go at the moment. Any recent work nearby? It's probably the relay, but I'd go through the circuit systematically with a meter. And I wouldn't assume that the new switch works: it probably does but it's a good idea to check it. Have you got the appropriate wiring diagram? Jonathan

I've sent the wiring diagram for “Vauxhall engine with carbs, pre 1993 engine” from the 1998 Assembly Guide, and the installation notes for both carburetted and injected engines. There are some comments in there about unused wires which might help with identifying yours. If anyone has a better diagram please can I have a copy too? Thanks Jonathan

If you'd like a wiring diagram please send me a Private Mail with details of the car and your email address. Jonathan

Doez anyone have a wiring diagram for a 2002 1.6k Please send me a Private Mail with the details of the car and your email address. Jonathan

Please have another look at Ian's comments... why do you describe it as a fault? 1.3 or 1.7? Thanks Jonathan

Agreed Jonathan

Changes to tests and processes from 20 May 2018. This hasn't come up again in my inspections, but then I'm usually in the car operating the switches. This year I wasn't and it didn't seem to cause any problems. Jonathan

That didn't help when searching, and neither did some computer game! Jonathan

We agree on the probable cause and that might well be the fastest path to a solution. But I'd encourage anyone to debug logically because doing it that way you learn to solve other problems. In this case that might be something like: Get the diagram and identify the wires at the switch and the relay of interest. Inspect and wiggle the wires at the switch. Check that there's 12V between the feed terminal of the switch and a good earth. That requires setting the multimeter to a suitable DC voltage range. Observe the voltage at each of the two output terminals of the switch. If they both go live when they should the switch is OK. If one doesn't then remove the switch and check continuity on the bench (different range on the multimeter). Connect a different switch (doesn't need to have two different outputs for this test) and check that it goes live and whether each set of lights come on. If the switch was OK then remove the relay, have a look at the pins, clean them if necessary and reinsert it. If 5 didn't fix it then see if one of the other relays looks as if it's the same. Swop them and see where the fault then appears. Buy the new relay.Jonathan PS: NB Club discount at Halfords. :-)

Or products that contain it! That includes many proprietary brake and clutch cleaners. Don't get me started. (Although it probably would!) Jonathan

That's from the Register. I don't know how many still exist. Jonathan PS: But I think they all run on petrol... ;-)

http://www.lotus7register.co.uk/images/7%20story/0003.jpg.JPG Like this? Jonathan

Do you need the diagram? Send me a Private Mail with your email address. I have a multi meter but embarrassingly not sure that I know how to use it!! You soon will! :-) Jonathan

Works for me. :-) Jonathan

As John says. Then you need the appropriate diagram once you've identified which it is. Do you have a multimeter?Jonathan PS: I'd bet on the relay too, assuming that there's been no relevant recent work...

Thanks Jonathan

I’ve installed a low fuel warning light I’d like to calibrate and was going to run to empty, add a gallon and adjust so the light was on at that level. Piggybacked on the existing float and sender? Jonathan

Just had a quick look in the archives: it seems to be very variable with 6L at the low end of the range. (And on top of that there seem to be a lot of unreliable level indicators.) How about filling it as usual (!) and running it till it stops... with a tank ready in the boot? Jonathan

How important is wet grip on the road? Jonathan

I've been thinking of little else! :-) The reader could be built into either the nozzle... or the car... Best so far: Reader on nozzle, either battery powered communications to pump or cabling along hose Barcode next to filler on car. Reading done as the nozzle approaches the filler rather than when it's in place, as that makes the alignment easier. Reader says "OK" or "STOP" before it delivers. ± User has to accept before pump starts. ± User override of "STOP".Jonathan

The answer has to be mechanical and somewhat more sophisticated than the current two-size nozzle which only works one way and stops putting diesel in a petrol car. Simple rfid tagging would work, and could be retro fitted to both pumps and fillers; much simpler than complicated nozzle shapes that have been suggested such as the square and triangle shapes like the kids learning toy. The device could either warn or inhibit delivery. A couple of medical analogies: There have been several instances of severe damage caused by drugs being injected into the spinal cord rather than a vein. It's widely used as a test case for improving safety. One proposed improvement is an incompatible connection in the infusion kit for the lesser used route. I don't know if that was adopted anywhere. We still sometimes give the wrong blood to patients. I worked on this for the last ten years of my hospital career. Design and implementation of autoidentification technology was a major contributor to the improved process. But one repeated argument was whether that should be based on barcodes or RFID. The line I always took was that the big issue was using autoidentification at all, and beyond that it was pragmatic... but in our projects it always turned to be barcodes. This sounds the same! How is it done in aviation? Jonathan

Welcome. ... a pair of mobile axle stands... I can't remember that being discussed, but there might be something in the archives, There's lots of useful discussions on fitting out garages, tools and some great build blogs. Have you found the register of loan equipment? How much width have you got? I’m just wondering if I’d hit a problem when using an engine hoist with the legs of the hoist clashing with the strut of the forward axle stand. It's going to come down onto its wheels at some point! ;-) Jonathan

... if they’re poorly marked will make a claim against Shell. On your own or with others who have done the same? Is there a group attempting this already? Standards and regulations discussed in this MoneySavingExpert forum from 2012! What's your estimate of your damages? (Remember there is very little chance of punitive or exemplary damages in England.) If you do go down that route keep immaculate as-near-to-contemporaneous-as-possible records. But how about discussing it with Trading Standards instead? Or an interested journalist? Jonathan

"Snell Standards specific question: What are the differences between the SA, M and K standards?" Jonathan

The Assembly Guide for my 1998 says 5/16" x 1". This discussion doesn't agree... 3/8" UNF or M10. And this discussion points out the same discrepancy and concludes 3/8" UNF. NB half thickness heads to give the clearance below. Jonathan