Relay B5B4 & B577

Technical Guides primarily to do with the NA series

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myredmx5
Fast Driver
Posts: 498
Joined: Fri Mar 02, 2012 5:13 pm
Vehicle: NA8
Location: Newcastle Area NSW

Relay B5B4 & B577

Postby myredmx5 » Wed Apr 15, 2015 12:43 pm

MX-5 B5B4 & B577 Relays.jpg
MX-5 B5B4 & B577 Relays 001.jpg
Is there any difference in the usage of these two relays. One is from NA the other NB

The pin configuration is the same & the plug fits to the same harness connector.
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93_Clubman
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Re: Relay B5B4 & B577

Postby 93_Clubman » Mon Apr 20, 2015 1:51 pm

Probaly interchangeable, as some have successfully interchanged (so far) the NA Fuel Inj relay & NB EGI relay, but of course no guarantee.
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myredmx5
Fast Driver
Posts: 498
Joined: Fri Mar 02, 2012 5:13 pm
Vehicle: NA8
Location: Newcastle Area NSW

Re: Relay B5B4 & B577

Postby myredmx5 » Wed Apr 29, 2015 1:19 pm

Thanks for your helpful input 93_Clubman
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