Hi Robin , you may want to look at the wire that goes to the unit , see if it's trapped by a casing or damaged , causing it to short now and then . If your sprocket casing has been off it could be trapped behind it .
atb Nick T SA#12 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.431 / Virus Database: 242 - Release Date: 17/12/2002
