Hi Greg; Your high & low note horns are Lucas HF1748. According to Bob
Haskell in his SOL article, "The capacitor has a value of 0.1 microfarrads and
is wired across the points to reduce arcing when the points are opened."
--Scott Morris; Simcoe, Ontario, Canada; '60 MkI BN7 & '62 MkII BT7
PS: See attachments
1. Horn Specifications for all Austin Healeys
2. Horn Restoration HF1748 by Bob Haskell
3. Lucas Workshop Instructions: Seciton K-4 Horns HF1746-47-48
greg newton <onehundredbnone@msn.com> wrote: << One of the horns on my BN! is
not working I have determined that the capacitor is Open. What I would like to
know is how do you calculate the proper size to obtain a replacement modern
capacitor, or better yet what should I purchurse. thanks .......Greg Newton
Port Dover ON Canada BJ7 BN1 >>
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