Relay difference
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Thread: Relay difference

  1. #1
    FRESHMAN ROVER umbrella_corp's Avatar
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    Relay difference

    any difference in Relays R6MD and ++0228? and what is the difference between Green R6MD and Yellow R6MD?Thanks
    Relay difference-img_0082.jpgRelay difference-img_0081.jpg
    2001 Kent green 4.6SE 130K

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  3. #2
    JUNIOR ROVER
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    Re: Relay difference

    The difference between the yellow and green is pretty obvious if you look at them, the green ones have 5 pins and they contain a changeover contact and the yellow only have 4 pins as they are a simple make/break. Relay 17 is an oddball as it has 4 pins but has a dual contact internally to carry the higher power needed by the ABS pump. It looks like at least 3 of your yellow ones need to be replaced, they've been getting hot.
    97 4.0SE
    98 4.0 Police spec
    and a number of others I maintain for the owners.

  4. #3
    SENIOR ROVER
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    Re: Relay difference

    https://www.12voltplanet.co.uk/relay-guide.html, this is a great detail on how relays work, the different styles and how to perform some tricks.
    another one is here the12volt.com. both are full of great info.
    2k p38 4.6
    95 lwb 4.6
    01 d2 4.0

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  6. #4
    FRESHMAN ROVER umbrella_corp's Avatar
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    Re: Relay difference

    Great, thanks for the Replys. I just ordered 10 replacements.
    (YELLOW) PR2 WEHRLE Part Number: YWB10012LG-P38
    2001 Kent green 4.6SE 130K

  7. #5
    SENIOR ROVER Bolt's Avatar
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    Re: Relay difference

    Just for information's sake......
    The relays, other than #17 are nothing special. They are standard automotive cube relays available anywhere. (try for a non Chinese make). The colour coding is just a cute LR thing.
    Further, in a pinch, the extra pin on a 5 pin can be carefully snapped off, and you have a perfectly serviceable 4 pin relay.

  8. #6
    Premium Member DaGlitch's Avatar
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    Re: Relay difference

    Actually if you look at the picture on the relays you'll notice something special. There is either a diode or resistor in parallel with terminals 86/85 that is meant for back EMF suppression. This is to prevent voltage spikes making their way back to the BECM to prevent any damage. I would probably warn against using one that isn't protected. I usually just find a bunch of them at the local junk yard and stock up.

  9. #7
    SENIOR ROVER Bolt's Avatar
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    Re: Relay difference

    Ahh the diode....Thus the "buy quality" remark. Good ones have them.....some cheepos do not.
    Thanks for the comment. I hereby amend the suggestion......

    Any standard automotive relay with a suppression diode will do.......They do not need to be yellow and green.

  10. #8
    JUNIOR ROVER
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    Re: Relay difference

    Don't use cheap relays though, they don't like the high current drawn by some of the circuits......

    Relay difference-rmmoa23.jpg
    97 4.0SE
    98 4.0 Police spec
    and a number of others I maintain for the owners.

  11. #9
    FRESHMAN ROVER umbrella_corp's Avatar
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    I picked up a couple black relays from AB, I have no idea on their quality. They have no brand or country of origin. I placed an order for the yellow wherle’s from lk8 I believe they are the makers of the oem versions.
    I will change the greens and abs relays next month.
    2001 Kent green 4.6SE 130K

  12. #10
    SENIOR ROVER
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    Re: Relay difference

    LK8 is a distributor, land rover relays have had a few manufacturers thru the years most recent has been siemens.
    2k p38 4.6
    95 lwb 4.6
    01 d2 4.0

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