Why does my ignition warning light keep coming on?
Why does my ignition warning light keep coming on? One possibility is that the warning light wire is being earthed somewhere along its length. Check this by turning on the ignition and disconnecting the warning light wire. If the warning light stays on, the wire is earthing somewhere. Inspect the wire for any chafing against the bodywork and repair it with insulating tape. Is there a light that stays on even when the switch is turned off? Vocational, Technical or Tra... I changed the batteries for the device, yet after a few seconds, the screen goes blank. When I push...