It's an indication that the switch contacts are dirty, or worn. If you can open the switch you can probably clean them, but if new switches are available, that would be the better option.
Sent from my iPhone > On Aug 16, 2014, at 1:06 PM, "Bob Abhalter" <[email protected]> wrote: > > Greg, > > I've had the brake light switch fail on my Super. It would only light the > lights when the brakes were under extreme pressure, as in while testing them > in my garage. They would not light under normal street braking. Once I saw > what was going on, I didn't bother with any further diagnostics, I just > ordered another switch, which once installed worked fine. I've since talked > to other Alfisti with cars of similar vintage with the same problem. > > Best, > Bob A. > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf Of > [email protected] > Sent: Saturday, August 16, 2014 9:30 AM > To: [email protected] > Subject: [alfa] brake light switch > > Gentle Alfisti, > Here's something odd: the brake light switch is part of a hydraulic union > mounted to the firewall on this 66GT. It passes a continuity test when I > step on the pedal. I can make the ohm meter go from one to small fractions. > It will not, however, carry twelve volts to illuminate the rear lights. I've > bypassed the switch and the lights light-up just fine. I've tested the > switch several times and it reveals the same symptoms. It breaks > resistance, but will not carry voltage. Has anyone ever encountered such a > perplexity? > modelle > 105.04 > 115.01 > -- > to be removed from alfa, see http://www.digest.net/bin/digest-subs.cgi > or email "unsubscribe alfa" to [email protected] > -- > to be removed from alfa, see http://www.digest.net/bin/digest-subs.cgi > or email "unsubscribe alfa" to [email protected] -- to be removed from alfa, see http://www.digest.net/bin/digest-subs.cgi or email "unsubscribe alfa" to [email protected]

