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cmbrucew · 08-08-2015, 04:26 PM

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Are you using DOT 5 silicone fluid?
It has been known to affect pressure switches.
Bruce

08-08-2015, 04:26 PM	#26
cmbrucew Senior Member Join Date: Dec 2010 Location: North of sandy ago, CA. Posts: 2,064	Re: 1939 ford brake lights stuck on Sponsored Links (Register now to hide all advertisements) Are you using DOT 5 silicone fluid? It has been known to affect pressure switches. Bruce __________________ Works good Lasts long time