Hi yet another electrical gremlin (CE1). I have wired in a converter from Dreadnought Customs as per the instructions. red/black to D26 green/brown to ecu feed black to ignition live brown to earth. The rev counter does not work although when I turn the ignition on and off the needles twitches. Is there any way of testing the rev counter as it is a second hand unit as the car was poverty spec 1.3
I have checked and I have continuity between D26 and the instrument panel. How can I bench test the rev counter?
The twitching is normal, if it twitches then generally that means its working. No idea if this is related but I refurbish instruments and I had a huge issue getting my DIY tacho convert to work. Ended up being a combination of wire thickness/length which was quenching the "spikes" and stopping the tachs working.
I had similar issues with my tacho converter from Emerald, turned out the earth to my clocks plug RHS (rev counter side i think iirc, mk2 scirocco clocks) was poor
Thanks for the replies I will check the earth first as it is easy. How would I go about checking if the wire thickness/lengths is quenching the signal and on which wires?
Just an update on this. Stripped everything back to check it all and found a pretty random fault. There was no live supply to the gizmo for the following reason: The cable I chose to connect it with has a double insulation on it (see pic), so when I crimped a bullet on the end unbeknown to me I had crimped the secondary insulation not the wire strands. Bear in mind I was in a dimly lit interior so as the insulation is brown I didn't spot it but hey ho. Needless to say I will not get caught like this again (honest lol). Hope this may be of help to someone else one day. One more word DOOOHHHHHH!!!!!!!