Hi there just bought myself a 93 ls400 with LPG conversion,it has the usual dash problem and I already have the parts to sort this. I now have another fault that developed after I charged the battery. On the way home from my parents where Id left the car for a week only to find the battery flat, everything was running fine until I switched on the lights, immediatley the dash showed the reverse indicator and rear fog light as well. Shortly after this the transmission began to stuggle and I limped home at low speed taking a couple of breaks to let her cool down and tried to check things out. This morning Ive driven the car and as soon as I switch the lights off the car runs fine, theres plenty of trans fliud although it may be a little tired now. Any ideas please ?