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Registered
Join Date: Feb 2002
Location: Chalfont Pa
Posts: 1,548
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Fuel pumprelay and black relays?
Are there any differences besides colors with these round relays?
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01-06-2004, 01:09 PM
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Moderator
Join Date: Dec 2001
Posts: 9,569
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quench diode
search the archives under early_s_man
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01-06-2004, 02:07 PM
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Registered
Join Date: May 2003
Location: Manhattan Beach, CA
Posts: 2,350
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The red ones, as John says, have a diode inside.
The diode is used to protect electronics which switch the coil pins voltage (85 & 86). When voltage is removed from a coil (like an ignition coil) a voltage spike occurs. The diode "clamps" the voltage spike. Have Fun Loren '88 3.2
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Have Fun Loren Systems Consulting Automotive Electronics '88 911 3.2 '04 GSXR1000 '01 Ducati 996 '03 BMW BCR - Gone |
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01-06-2004, 06:01 PM
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