LPG wiring

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if you have it it is what drives the rev counter on some motors but I do not know what sort of output it is, it could be a gradually increasing voltage according to revs, or it could be a pulse that gets faster as the revs increase, but a simple relay will not work, but hang on just had an idea, multivibrators, just could be the answer, this could be linked to the alternator output with a diode to block battery voltage so it would stop if the alternator was stopped, how this works is you take the relay windings through the normally closed contact, so when the relay energises the power to the relay is broken so it closes again only to open again under power so it vibrates (no funny ideas) if the cycle is too fast then add a capacitor across the coil and depending on the value it will slow it down, the speed of open/close is vast totally dependent on the capacitor size, Rick

have you read this, Rick
 
have you read this, Rick
Hi Rick, yep read it thanks and got all distracted with high speed vibrators and had to go for a lie down :lol
I'm going to see my mate who's an electronic guru. I'll show him your suggestion and the abs sensor one and see whats to be :D
 
I have to say Pete, I'm impressed you got this far - I had this one down for the bin! Well done mate!:thumb2

Sounds like you need a little rectifier circuit somewhere to turn 12vDC into 240vAC and take your pulse off that maybe?
 
I have to say Pete, I'm impressed you got this far - I had this one down for the bin! Well done mate!:thumb2

Sounds like you need a little rectifier circuit somewhere to turn 12vDC into 240vAC and take your pulse off that maybe?
Thankyou kind sir :rolleyes:
Still can't believe how bloody fast the thing is now :sly Didn't need the lights on in the house last night as I was still grinnin' like a cheshire cat :D:D
I'm dropping a bit of valium as we speak so I'm ready for the next drive out :lol
 

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