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Can someone help me. I bought replacement plug wires for my bug but noticed on my old ones that there is a wire tied into the number one plug wire that goes somewhere up into the passenger compartment. Does anyone have any ideas?thanks
Can someone help me. I bought replacement plug wires for my bug but noticed on my old ones that there is a wire tied into the number one plug wire that goes somewhere up into the passenger compartment. Does anyone have any ideas?thanks
Just a guess...does this wire attached to one of the plug wires look like a "home-made" sort of connection?
If so...it may have been a wire that a previous owner ran to hook up to a tachometer. Or maybe the tachometer is still in the vehicle.
Like I said...just a guess...since I can't see what you see. 
- Nick
If the connection is two exposed spade type connectors about 1/8" wide in line with a rigid plastic housing around the cable, this is a factory connector.
I'd have to do some digging to give you a definitive answer on it's purpose, but I suspect it's related to the diagnostic system installed in late models.
Yes it is the connection you described and it definately looks like a factory connection.
That would be the connection for the timing sensor. Line 54 in the diagram, connections 19 and 20. It's useless now.
jim
My car is not a super beetle. After further investigation the wire goes to a terminal block located on the firewall in the engine compartment that allows the connection of diagnostic equipment(I'm assuming). I'm not sure I can buy the plug wires that will fit so would it be ok to remove this connection from the system?
Like James said, its worthless now, just leave it off....
Yancey
My car is not a super beetle. After further investigation the wire goes to a terminal block located on the firewall in the engine compartment that allows the connection of diagnostic equipment(I'm assuming). I'm not sure I can buy the plug wires that will fit so would it be ok to remove this connection from the system?
Like Yancey & James said...don't worry about it. I can't remember the last time I saw or heard of someone having this "diagnostic" wire coming off of a spark plug wire. This was probably common years & years ago when beetles were younger. Owners have most definitely replaced their ignition wires numerous times...that this special ignition wire was probably never replaced (or even available).
- Nick
Thanks everyone for your input on this
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