1975 914 brake light/turn signal question....with video!, Update: Video added...see latest post Options

[billh1963]

Started working on getting Mark's "BB" ready for Okteenerfest and have started sorting a wiring issue. The turn signals weren't working and after replacing the turn signal relay and turn signal switch to no avail I figured it had to be the flasher switch itself. After replacing the switch (thank you Dominic), I know have hazard lights and turn signals. However, I now have the following questions:

1. I have a burned out right turn signal bulb. Will that cause the yellow turn signal indicator light on the tachometer to stay illuminated? (see picture) I don't have a spare at the moment to see if changing it solves the issue. Current;y, it stays on

2. I don't have an owner's manual. What is the other light on the right side of the tachometer (not illuminated)? It does not illuminate

3. I replaced the turn signal relay with the Wehr brand relay. However, I am still getting the buzzing and fast blinking on the brake light that has been attributed to the relay. I have read that the emergency brake handle and/or needing to reset the MC pressure switch will cause the light to illuminate. In my case, the e-brake handle is down so I will try resetting the MC switch tomorrow. Anything else I should take into account that may cause this condition?

Thank you

[tmc914]

I am watching this thread with great interest because I have a similar but not exactly the same problem. Mine started when the indicator lamp was changed for the e-brake. Now my relay flashes crazy like yours but I have a 1973 with two blinker indicators. Plan on changing most of the indicator lamps to LED soon. Maybe that will help.

It looks like your Tach and maybe speedometer lamps have been upgraded to LED's from the video. The fuel light looks original.

The seat is easy to remove but on my '73 there is a catch tab so when you pull the seat all the way forward it does not pop out of the track. You have to reach under the seat and push up on a tab inside the track (can't remember what side) and get fingers full of grease doing it.

[billh1963]

I am watching this thread with great interest because I have a similar but not exactly the same problem. Mine started when the indicator lamp was changed for the e-brake. Now my relay flashes crazy like yours but I have a 1973 with two blinker indicators. Plan on changing most of the indicator lamps to LED soon. Maybe that will help.

It looks like your Tach and maybe speedometer lamps have been upgraded to LED's from the video. The fuel light looks original.

The seat is easy to remove but on my '73 there is a catch tab so when you pull the seat all the way forward it does not pop out of the track. You have to reach under the seat and push up on a tab inside the track (can't remember what side) and get fingers full of grease doing it.

I've pulled 914 seats before. It's not a huge task. The problem is it's just one of many new tasks that keep getting added as I get the car ready for Okteenerfest. (IMG:style_emoticons/default/smile.gif)

I've spent a lot of time chasing down this light issue. But, it's worth it to me. I don't like it when things don't work like they should.

A google search indicates that many replacement relays do the quick flash/buzzing. Original ones don't. I bought a new Wehr relay that is not supposed to do that. But, as you can see, it does. I have a couple parts cars that may have original relays in them. I'm going to check them out and see what that does (after I get this issue fixed).

Another interesting point, now that you bring it up, is I have read that some LED conversions cause issues because of resistance changes (bulb filaments have higher resistance than LED lights). I know on older 911's with high mounted third brake lights the LED brake light conversions cause issues with the high mount taillight. I wonder if the fact that not all my gauges (and yours , too) have LED's will cause issues? Maybe Timothy will see this thread and chime in.