I opened up the diagnosis port of my 4AGE blacktop today and found this "thing" plugged into my pin that says WA and WB. It's like a metal clip plugged in connecting the 2 pins. Can any ECU expert advise me:
1. what is WA & WB in the diagnosis port?
2. Why is there a clip plugger in it?
3. What happens when one takes it out?
When the clip is in
When the clip is taken out
1. what is WA & WB in the diagnosis port?
2. Why is there a clip plugger in it?
3. What happens when one takes it out?
When the clip is in
When the clip is taken out
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