Wiring 101

So why would your starter engage when you slow down and turn a corner? The obvious answer ... It's a Triumph so why wouldn't it. Actually, just having gone through this last week I can reassure you that this is not a fun thing to have happen. Especially just after taking the transmission out the week before to repair the ring gear, which had come loose from on the flywheel and at the same time rebuilding the starter. First step in trying to sort this out was to use a test light to see what was happening with current to the starter. Turned out that there was power down to the starter when the key was turned to start position (as there should be), but also when the key returned to the run position (a definite no-no). This diagnosis suggested that either the switch was gone or there was a short in the wiring.

After consulting my good friend Brian Mills, I rigged up a rather crude but effective (and photogenic!) switch to get mobile again. A wire from the positive terminal via a household switch to the starter. Turn on ignition and hit switch. Worked like a charm. One note of caution ... use heavy gauge wire as there is lots of current flowing from the battery to the starter.


Problem turned out to be very loose spade connectors on the back of the switch. So loose in fact that four connectors slid off when I pulled the boot off the back of the switch. New connectors installed and we are back on the road. Given how poor these connections were it might be something you want to check at the end of the season to make sure you don't run into problems down the road somewhere.

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Michael Graham
2422 Fairmile Road, RR4 Kemptville, ON, Canada K0G 1J0
613-258-2901 (Country code for Canada is 1)