I'm having intermittent fuel pump problems on my carb 3.5 v8. I've changed the pump twice, but they both failed, or so I thought, but while running on lpg I can sometimes hear the pump come on. This led me to think it's a relay that might be at fault, but I don't know which one it is. Can anyone point me towards it?
Here's a pic of the fusebox, relays aren't labelled.