Hi Thanks for all your responses to date. Connecting the multi-meter in line gives a reading of ~1 amp when the solenoid is engaged (I did not notice the 10 amp initial spike, presumably the meter being too "laggy"). When cold I get 1 amp, a satisfying click and the overdrive works. When hot I get 1...

When you say that 12v is being passed down to the solenoid when hot are you actually checking the supply at the solenoid?

At the moment I have disconnected the solenoid and connected a multi-meter in its place. A very rough and ready way of checking, but hopefully rule out electrical gremlins.

Hi I’m currently experiencing issues with an ‘A’ type compact overdrive fitted to a 2.4 ltr ‘67 MK II. A ferret around the internet does not seem to have come up with results similar to these issues. When cold it will swap in and out of overdrive with no issues. If selected whilst cold and road cond...

Hi, The heater distribution control on my MK II currently only moves over the lower half of its sweep. Within the engine bay it appears the heater flap control can be moved manually, so presumably the screw holding the outer cable has come loose within the heater control panel. Figure 5 on page O.5 ...