Turn signal issue-
 

Hey everyone! I’m having a problem with my right turn signal. It doesn’t blink, the rear blinks and works perfectly. The entire left side, front & rear works perfectly. When I activate the stalk with headlights off no illumination at all. When i turn on the headlights- the turn signal housing stays lit so i know the bulb works- (see pic) but doesn’t blink when i use the right turn signal. Can it be the hazard relay? I’ve check fuses and connections- everything seems fine. The stalk is newer, if I’m not mistaken I changed it some years back. Thanks! https://uploads.tapatalk-cdn.com/201...a0ec33e7ca.jpg


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What happens when you just turn on the 4 way flashers? The four way flasher circuit uses the four turn signal lights. What do the turn signal lights in the tach do? Do they flash normally? Stay dimly light? Without knowing all of fault indications you can look at the four post turn signal relay and check fuse 9 (5 amp). There are many threads on the website providing more info and schematics on the circuit.

Hi- so when the four way flashers are on all work except the front right. Since I’ve had the car- when using the hazards- the arrow indicators on the tach never worked but all turn blinkers worked as they should. The turn arrow indicators on the tach for left and right are normal , not dim and blink at the correct tempo. They never both blinked at the same time on the tach when using the hazards- how it’s always been, figured thats how it should be. Thanks a bunch!

Sab.


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You may have two separate issues since the tach turn signal lights can fail because their return to ground is made in the 4 post turn signal relay. Check fuse 9. Since the right front flasher signal passes thru fuse 9. The right rear flasher signal tees off of the input to fuse 9.

Checked fuse 9, not blown. I will replace with a new one to see if that helps. When I removed fuse 9 there was no difference in signal operation. The left blinked perfectly and the rear right worked perfectly and of coarse when i put the low beams on all were illuminated just no blinking on the right front side like my pic.

Sab.


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Absent is any comment about whether this is a new issue and all worked well (pick your timeframe) X-days ago, or this has been an ongoing problem forever which has only recently come to your attention. If it's new, and the signals have worked normally in recent times, was there any sort of event that concurrently occurred... things like hands poking behind the instrument panel, behind the master cylinder, gauges pulled, work done behind the front bumper or under the carpeting in the front trunk. That narrows down potential causes. Shoot, some folks never notice that their signals don't flash until someone honks at them or flips them off, because they seldom if ever drive at night.

Hi thanks for the reply- all worked perfectly. No adjustments or repairs performed.


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Swap the bulb from left front and right front. The bulb may have two filaments one for right parking light and one for right turn signal.

+1 on this. Also, does the lamp light up with the ignition key in the off position and the stalk switch pushed up to the right position? If it doesn't, but the rear does, then it's probably the bulb.

If the bulb swap isolates the issue to the bulb then you have resolved one failure. Your second issue is with the tach turn signal lights not flashing with hazard switch on. With only the hazard switch on both tach turn indicators lights should flash in sequence with the four directional lights? You said in one of your posts that they don't, but each tack indicator light work normally with the left or right turn switch. The way the circuit is designed if both left and right tach indicators work normally with the turn indicator switch then they should also work in sequence with the hazard switch.

Guys i tried swapping bulbs earlier - got the same result. I shot a video...

https://youtu.be/4bc-OpY2UNM

OK, looking at the video your front right turn signal light may have an open connection on connector T1c located behind the right head light in the light bucket. This is the connection that provides the pulsing DC voltage from the turn signal relay thru the turn signal switch to fuse 9 thru T1c to the right turn signal light. At this point in time you will require troubleshooting skills using either a test lamp or a multi-meter to test for the pulsing DC voltage. Before opening up the headlamp bucket use either tester at fuse 9 to check for the pulsing DC voltage. Next, check for the pulsing DC voltage at the light bulb connector. If you have it at fuse 9 but not at the lamp socket then you will have to open the headlamp bucket to get to the connector T1c. The wire color code for T1c is Black/Green. If you are unsure of what you are looking for turn on the left turn signal and use the tester on fuse 10.

Ok thank you! I will give this a shot and report back...


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Clean your fuse panel contacts. A wire wheel on a Dremmel works great for this. Disconnect your battery and remove each fuse (one at a time) and shine up the contacts. Front and rear lights are on a different fuse. Don't remember which fuse is for the front right but clean them all.

Front and rear blinkers are on the same fuse. (9 for right side)
If the rear one works, the problem is in the front wiring or housing.

Took a test light and discovered that there is no power to fuse 7,8,9,10. All others test light lights up. Also- I forgot to mention (ok don’t kill me) i did the headlight relay upgrade last year- but everything worked just fine. Thats not giving me a problem since my headlights low & high are working as they should and damn right turning signal worked. But check that set up again just to make sure. This will take time but I’ll get it.

As for my fuse panels and wires- all clean. Panels are new, re placed those some years back. Thanks all!


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Headlight update has no effect on those circuits. (Blinkers)
Loose wire on bottom of fuse 9? Or not making contact due to insulation in the contact area?
Pull both wires bottom of fuse 9 and reinstall just to be sure.

Your test light should flash touching bottom of fuse 9 when blinker is on.
Then should flash at lamp socket. If one but not the other, go to the connector in the headlight bucket as was previously mentioned and test there.

Ok great- i will test and report back!!


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I am basing all of this on you reporting the right rear signal is flashing as it should.

Yup right rear flashes normally.


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