88 Carrera Lost turn signals

[wasaracer68]

So I just changed out the turn signal / high beam stalk and now I have no turn signals. Prior to doing this I had turn signals but had a problem with the regular beam / high beam function. Thought I may have put a wire on the headlight control improperly but found a thread here with an illustration that shows I have it right. The hazards don’t flash either. I suppose the flasher could have suddenly taken a dump so I guess I’ll pick one of those up. Any suggestions?

[DRACO A5OG]

Check fuses, You did disconnect the battery while doing the repair, yes?

[jakekooser]

My flasher relay just died in a similar fashion. Pull the fuel gauge out and listen for a click when you turn the flashers or turn signals on - they share the same relay. I bought the first relay at my FLAPS that showed terminals 31, 49, and 49a on its packaging and popped it in and everything started working. My original relay worked pretty reliably, although slow sometimes, and when it failed, I would hear a single 'click' and no lights at all with either turn signal or flashers switched on.

tl:dr $10-ish relay at the local auto parts store

[wasaracer68]

Thanks for the suggestions guys. I did disconnect the battery and I have looked at the fuses, some of them are pretty thin but still intact. It has been suggested that I look at all the wiring going to the fuse panel very carefully so will do that. I will pick up a flasher today and try it as it is simple enough.

Another question though. I had originally started working on the car to fix a shifter issue. I took everything apart a couple weeks ago and could not immediately get back to it. Now I have this one plug that does not seem to have a mate. I just can't remember if it had been attached to anything but I cannot find another plug so I guess it may have been for a function my car does not have and dumb ass me I just cant remember. It seems to reside on the passenger side of the tunnel just below the shifter above the handbrake. Two wires, one blue, one blue w/ white tracer.

[wasaracer68]

So tried again tonight but no luck. bulbs are all good, fuses are intact. I tried a new flasher. I tried hooking up the old turn signal stalk again and it does not work. It used to. Emergency flashers don’t work either. Just dunno.

[targa80]

It seems that in the process of replacing the turn/high beam stalk something has gotten disconnected. I don't know if the wiring/ fuse numbers had changed since 1985 but if it hasn't then you could use a multimeter and check for voltage or disconnect the battery and perform a continuity test from point to point using the following schematic. I would start with the two fuses 2 and 8 and work your way thru the circuit. Or since you replaced the stalk you can verify that you wired it back up correctly and or look for voltage on the contacts 49a. Have you tried the parking light function when you shut the car off and leave the turn signal in either turn position it should turn on the associated side parking lights. Check contacts P, 68L and 68R.

[wasaracer68]

Targa80, Thanks very much for this diagram. With all lights off if I turn the signal in either direction it does leave the associated side on. Will look at it again tonight with your suggestions.

[targa80]

Originally Posted by wasaracer68

Targa80, Thanks very much for this diagram. With all lights off if I turn the signal in either direction it does leave the associated side on. Will look at it again tonight with your suggestions.

Good, at least you know that the P, 58L and 58R connections on the stalk are not a part of the problem.

If you activate the hazard switch with the car not running do you have all four flashers working? This circuit would bypass the ignition and stalk switch so if it does not work then you are looking at the circuit for Hot at all times fuse #2.

If it does work then you are looking at the circuit for Hot in on start fuse #8.

one other quick check make sure that you have the ground from terminal 31 on flasher connector to ground terminal G116. G116 should be in the frunk on the drivers side floor frame just below the drivers side hinge. here is a picture of the lug in the red box.

Another question do you get any indication from the tach turn signals with emergency flashers on with or without ignition on, do they light bright, light dim or nothing at all.

[wasaracer68]

Thanks again for the help. The hazards do nothing. I will double check the ground in the frunk and I get no indication whatsoever on the tach.

[targa80]

Since the hazards switch does nothing when selected and the key is out of the ignition you are looking at a problem that is narrowed down to the power source at fuse 2. Fuse 2 is suppose to be hot all the time providing 12 volts to pin 30 and 49 of hazard switch when it is selected to on. Pin 49 energizes the flasher relay at terminal 49 and provides the 12Volts on/off signal from 49A to 48A of the hazard switch. 48A provides the 12Volts on/off signal to L, R, 31. L provides 12volts on/off to the left tach directional and fuse 9 that feeds the signal to the left front and rear directional light. R provides 12 volts on/off to the right tach directional and fuse 10 that feeds the signal to the right front and rear directional light. The 31 terminal provides the ground for 12 volt on/off signal to the hazard switch indicator light when the hazard switch is selected on.

[wasaracer68]

I may need to restate that. I will check again tonight what exactly the hazards do but will check what you have suggested. They definitely do not work on the outside of the car, there is no illumination on the dash instrumentation.

[wasaracer68]

Targa80 problem solved. I wish I could tell you I found some intricate wiring issue but the truth is when I took the console apart to do the shifter bushing repair I disconnected the plugs from the back of the hazard switch and the A/C blower. Then I put them back together backwards. Funny thing was of course, the blower still worked and the light for the hazard still came on. I'm such a moron. Regardless, I wouldn't have found it tonight without your help. Thanks so much. If you're ever in the Jacksonville area I owe you a beer.

[targa80]

Glad to hear you found the problem, I know what it is like to go in and do some work and when your done something else goes haywire which requires a recheck of what you just did.

[TheSt|G]

On the plus side, I do appreciate the shot of where the blinker ground is located. I likely need to go clean mine up.

[wasaracer68]

To clarify. I'm still a moron but I got into the console switches to clean the contacts on the electric door locks. That is when I disconnected the plugs on the backs of the hazard switch and the rear window defrogger switch and put them back together in reverse. Not the blower as previously mentioned. Makes a difference now doesn't it? No? I know, I'm still a moron.

[Snitzler]

Originally Posted by wasaracer68

Thanks for the suggestions guys. I did disconnect the battery and I have looked at the fuses, some of them are pretty thin but still intact. It has been suggested that I look at all the wiring going to the fuse panel very carefully so will do that. I will pick up a flasher today and try it as it is simple enough.

Another question though. I had originally started working on the car to fix a shifter issue. I took everything apart a couple weeks ago and could not immediately get back to it. Now I have this one plug that does not seem to have a mate. I just can't remember if it had been attached to anything but I cannot find another plug so I guess it may have been for a function my car does not have and dumb ass me I just cant remember. It seems to reside on the passenger side of the tunnel just below the shifter above the handbrake. Two wires, one blue, one blue w/ white tracer.

I have that plug as well, any ideas?