@old2065 posted:The battery horn works when it wants too. It there a digital board replacement that I can replace the horn with?
Thanks,
old2065
Your relay is likely shot and/or just lousy. I had a "just lousy" one I re-engineered and got the horn working every time, even at low throttle setting. If you don't want to fool with that, I believe you can get a replacement relay from Jeff at The Train Tender for a lot less cost and bother than rewiring your whole rig with ERR boards. His e-mail is jeff@ttender.com. He's got just about any replacement part for PW Lionel you might need.