Talasas Posted June 14, 2011 Share Posted June 14, 2011 Hi all, After going down the very long and expensive road of troubleshooting of why my EJ22 would idle on 3 cylinders I found the issue to be the (infamous) Jideco ignition relay. Many hours of searching showed this as a common issue but the only resolution I've seen so far was to replace it with another used item of questionable condition or try and find a brand new one. I have a solution for this which replaces the old Jideco relay with a pair of readily available aftermarket relays. Digging through some cars at a wrecking yard I found a common trend among ones with faulty ignition relays. Generally all pre 1992 models with AT seem to have this issue, in fact every one I have ever come across has shown signs of this problem. I own a manual pre 1992 model which does not have the idle issue. Among the few cars I saw in the wrecking yard, all series 2 AT models still had the original relay. If anyone can offer any more information on this please let me know. Anyway, one can simply replace the Jideco relay with a pair of suitable aftermarket relays. I have used two Bosch 0 332 019 150 relays, these are 12V 30A relays and can be had for around $8 each. Just neatly make yourself a set of blade terminals and you can plug them straight into the caramel coloured factory relay plug. I have been using this setup for almost two weeks and have had the benefit of testing it in various weather conditions and it's worked perfectly. Wiring Diagram Bosch Relay Relay Internal Diagram Terminals, I just taped the relays together Ignition Relay Plug Side Quote Link to comment Share on other sites More sharing options...
Ricearu Posted June 14, 2011 Share Posted June 14, 2011 little bit for you here, I use these for wiring honda ruckus ignition switches to work with chinese 150cc engine harnesses. http://www.radioshack.com/product/index.jsp?productId=2049722 darn good information though! and good write up! Quote Link to comment Share on other sites More sharing options...
Dmill Posted November 3, 2015 Share Posted November 3, 2015 Bringing a dead thread back to life, I'm trying to replace mine in an ej22 swap, the wiring diagrams would be extra helpful.. My manual doesn't help on this one.. I have tea searched plenty but can't come up with it Quote Link to comment Share on other sites More sharing options...
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