m50 wires again

[bimanut]

just found a list for m50 wiring and it says that numbers 1,2 and 3 have pins in them but mine doesnt have any.everything else is ok.it was from an 91 e36 any one know why it doesnt have any and will i need to make some up?

[Brianmoooore]

If you're referring to the M50 plug pin numbers, then 1 and 2 are for the oil level 'check' sender, and 3 is the power feed to the ABS system.
If your recipient car doesn't have a 'check' panel by the rear view mirror, or ABS, then the answer is no.

[bimanut]

sorry, yes i do mean the m50 plug pin numbers and no i dont have a check panel but do have abs which i wasnt too sure if it worked until the other day when a tranny van came hurtling towards me going the wrong way on a one way street!
so i assume that i`ve got to work out how to wire up the abs.
wires scare the shit outa me

[Brianmoooore]

The ABS feed is simple to add, if you need it.
First check pin 20 on the engine socket (C101) of your recipient E30. If it has a red/yellow wire connected to pin 20, then you need to add a wire from pin 87A of the engine loom's DME relay (the five pin one) to pin 20 of the plug you're going to be grafting on to it.

[bimanut]

I`m about to wire the ABS wire to the DME relay.
You say pin 87A,on my relay it shows two 87 but no a.
Which one do i connect it to?
Thanks.

[Brianmoooore]

87a is the middle one, but it doesn't matter which you use.

[bimanut]

Thanks.
Theres one more leccy hurdle over