To all who replied to my request - thanks for the advice... My problem indeed ended up being in-rush current. I am in the process of replacing the reed relays with either transistors or a ULN2803A Darlington. Thanks to all... ------------------------------------------------- Work all day & night, deliver on time & on budget, Regards, and justice for all... Bill Bryson > -----Original Message----- > From: Geoff Wootton [SMTP:woottong@isdugp.bham.ac.uk] > Sent: Thursday, January 22, 1998 4:06 AM > To: PICLIST@MITVMA.MIT.EDU > Subject: Re: [OT] Reed Relay problem for 16C84 based truck light bar > scroller > > I had the same problem with just a 150mA inductive load. As Mike Harrison > says, reed relays are not really suitable for load switching. In my case > I used a transistor instead and have had no problems since. > > Geoff.