Author Topic: I need help (Read 2994 times)

chapellej · « **on:** June 02, 2010, 05:43:24 PM »

okay so i am a complete idiot and in the proccess of doing the coil over plug conversion i removed without tagging what plug went to which cylinder etc and now have no idea. i could really use some pics of the original set up in the harnes and so on please help a brother out i am in desperate needdddddd!

THANKS:eek:

DesktopDave · « **Reply #1 on:** June 02, 2010, 06:42:24 PM »

You can tell them by the different color wire in each. If I'm reading the wiring diagram right, the e36 harness colors on pin 1 of each connector are 1 - white, 2 - red, 3 - yellow, 4 - blue. The other wires will be brown and green.

Make sure you put them 1-2-3-4 from the radiator to the firewall, matching the cylinder numbers. You'd be surprised how many people plug them in according to firing order.

chapellej · « **Reply #2 on:** June 02, 2010, 11:51:26 PM »

so the firing order of 1342 means nothing? that s what i have found on many forums so far. but i will check the number one pin on each, the wires however are all the same color for all leads green black and brown. i will try as you say and post tommorw of what i hope is success!

Choking Hazard · « **Reply #3 on:** June 03, 2010, 09:51:06 AM »

The firing order is whatever whatever rhe sequence is, but that does not change where the plug wires go. 1, 2, 3, 4 from the front.

DesktopDave · « **Reply #4 on:** June 15, 2010, 05:05:08 PM »

The firing order is critical. But the coil, plugs and wires must all match 1-2-3-4 from radiator to firewall. This makes sure they fire correctly...1-3-4-2. Otherwise you'll get one cylinder firing correctly.

I was trying to figure this one out for another post...unfortunately the colors are all the same on the e30, but if you pull the DME connector off, you can do a continuity test to figure out the correct wires.

According to this thread, pin 25 is coil 1; 52 is coil 2; 24 is coil 3 and 51 is coil 4. I didn't have a picture of the connector but the pins should be labeled.

chapellej · « **Reply #5 on:** June 19, 2010, 02:28:19 PM »

i would like to thank you desk top dave for the help i have solved the wiring problem and now must repair leaky vacum line..... car is now going to be back on the road me so happy me want to cry!!!!:cool:

DesktopDave · « **Reply #6 on:** June 19, 2010, 08:31:18 PM »

Awesome, glad to hear it. I didn't know much about these cars until about two years ago...but this site helped me out a lot.

If you want to return the favor, stick around & help out other newbies or even consider a donation to the M42Club.