SOHC.co.uk Forums > CB500/550
550 indicator relay
DomP:
I've bought a new 2 pin led relay for my 550 but to my surprise the one fitted to my bike is a 3 pin, I thought they were all 2 pin?
Nurse Julie:
No, originals are 3 pin, modern day replacements are 2 pin. Just leave the green earth wire unattached.
DomP:
--- Quote from: Nurse Julie on March 14, 2024, 05:47:41 PM ---No, originals are 3 pin, modern day replacements are 2 pin. Just leave the green earth wire unattached.
--- End quote ---
Ah thanks Julie! I've said it before but electrics is not my strong point...pure witchcraft
McCabe-Thiele (Ted):
IIRC you need to connect the remaining two wires the right way round as the terminal markings might be different.
I seem to recall having to reverse the two wires to get mine working - if its an electronic unit you can blow some units with the wrong polarity - worth checking the markings carefully.
With the 2-pin units they fit Positive & Negative earth vehicles hence the need to check.
K2-K6:
Some of the cars still use 3 pin.
VAG (volks audi etc) relay "191" is such a beast.
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