clicking seat heat relay

nick lawrence nick at
Sun Jan 18 15:07:24 PST 2009

In my '91 100 The seat heater relay(s) above the driver knee click.  Both seat heaters feel like they are working fine, and are adjustable. What is the cause of the clicking?  Is it harmful to the relays, ie. arcing away?  Will replacement relays make noise also?
Nick  central Ohio

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