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TECHNICAL MOTOBRICK WRENCHING In Remembrance of Inge K. => The Motobrick Workshop => Topic started by: DJEwen on May 17, 2018, 07:55:22 AM
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As many of you know, early K100s came with a vacuum switch which connected to TB1. Seen here mounted behind TB2 (2nd right):
(http://www.motobrick.com/gallery/1/5327-120518124039-12302379.jpeg)
I understand BMW deemed this switch useless and discontinued it in 04/85 and may pre 04/85 owners have removed the switch, capped the vacuum line port on TB1 and coiled back the cables with no issues?
Those of you who have followed my build thread will know my bike suffered a bad fire around the fuel rail and under the tank, this had a damaging effect of the fuel injection wiring loom and many of the wires had a butchered repair on them. I have a broken down 1988 K100 LT and the fuel injection wiring loom is in excellent condition but obviously doesn't sport the two cables to the vacuum switch (pick-up and earth).
My question is, can I remove the vacuum switch and install the fuel injection wiring loom from the 1988 LT without any issues?
Thanks in advance,
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My question is, can I remove the vacuum switch and install the fuel injection wiring loom from the 1988 LT without any issues?
If the replacement loom has all other wires necessary for the rest of the bike's functions, I don't see any impediment; otherwise, the alternative would be trying to keep a discontinued part then trying to make it function with a loom that wasn't made to accommodate the discontinued part because the discontinued part really didn't do much anyway so it and its connection had been finally been eliminated from production while—in the meantime—legions of K-bike owners had been successfully eliminating the connection and junking the part, or giving it to their pet ravens to hoard.
That's how it's sugaring off, from here anyway.
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If the replacement loom has all other wires necessary for the rest of the bike's functions, I don't see any impediment; otherwise, the alternative would be trying to keep a discontinued part then trying to make it function with a loom that wasn't made to accommodate the discontinued part because the discontinued part really didn't do much anyway so it and its connection had been finally been eliminated from production while—in the meantime—legions of K-bike owners had been successfully eliminating the connection and junking the part, or giving it to their pet ravens to hoard.
That's how it's sugaring off, from here anyway.
Well, the switch is out and the harness is in! Thanks, Laitch.