I have a Tyco vf4-15f11-s01. I Need to know what each terminal is for. I looked all over, and I can't find a diagram. <BR> <BR>Thanks, Joe

85-Switch <BR>86-ground <BR>30-constant/battery positive <BR>87 and 87a are your 2 different loads

Thank you, Joe

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87A is NC (normally closed) and is rarely used. 87 is NO (normally open) and is used most often as it is what is connected to 30 when power and ground are applied to terminals 85 and 86

its normally referred to as a bosch relay, regardless of who made yours. <BR> <BR>A quick search yields: <BR> <BR><a href="http://www.caraudiohelp.com/electronic_components/electronic_components_cont.htm" target="_blank">http://www.caraudiohelp.com/electronic_components/electronic_components_cont.htm</a> <BR> <BR>TONS of info on these relays around, just search bosch relay

Thank you so much guys. I love this site too. It has all the answers for all of life's questions. <BR> <BR>I'm installing a second heater, but I want to run them both off the same switch.