Originally Posted by DaveW
I found this:
http://www.mgb-stuff.org.uk/sb.htm

I think when the seat belt diode fails the ignition light stays on permanently, as I recall.

Yes - Paul's website is legend in the MG world - like GOMOG but more accurate. I've messaged the MG club to see if anyone has a photo of the location of the module so I can get to it easily.

"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10