Hi ....cheers for the replyI actually have 2 earth wires on the engine .....the main battery earth cable attaches to the block at one end and has the double cable at the other end that goes to the battery and the body....the wire to the body is starting to break......i have also ran another thinner earth wire from the same point on the block and bolted it to the inner wing......i have ordered a new negative terminal so ill try that......... should i put the other earth in a different place..peter