turn signals stop when i do......

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Re: turn signals stop when i do......

Post by 3X00-Modified »

It was only 96 that had them in the module, share the same flasher, and not clipped up under the dash. I replaced my 95 thermal blinker module for a HD electronic one and the flashers always worked better that way. Also first things first is to check all your bulbs. Turn on your hazards and make sure you have two lights blinking on each back tail, and one blinking up front. Thermal blinkers require a certain load to produce the proper heat to cause it to blink... without that load it blinks slower, or not at all.
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Re: turn signals stop when i do......

Post by Barry »

True but less resistance equals a faster blink.
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Re: turn signals stop when i do......

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Barry wrote:True but less resistance equals a faster blink.
No it doesn't... less resistance equals less heat, less/slower/no blink... We are talking about a thermal flasher unit. Same reason why if you switch stock tails to Euro tails taking away one flashing bulb will render your blinkers useless unless you wire in a dummy bulb and continue to use your thermal flasher, OR just replace it with an HD electronic unit that only requires a min of 2 bulbs to work, not 3.
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Re: turn signals stop when i do......

Post by DTMAce »

But as I found out, there are issues with the ABS system not seeing the bulb load correctly either. Hence why I had to use load resistors to keep the ABS from freaking out. Unless its different on the 96 vs the 94/95 or older ABS equipped vehicles.
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Re: turn signals stop when i do......

Post by Barry »

Then do all cars use a digital blinker? When a bulb goes out it blinks twice as fast.
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Re: turn signals stop when i do......

Post by themadness »

i pulled the flasher(round two plugs) and of course the hazard lights stopped. i pulled the square white one next to it assuming it was for the turn signals but it wasnt. where is the one i should be looking for?

i also noticed this morning that the slow down is consistent with when i begin to turn the wheel.
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Re: turn signals stop when i do......

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Barry wrote:Then do all cars use a digital blinker? When a bulb goes out it blinks twice as fast.
It depends on the type, for our cars when there are not enough working bulbs it stops flashing... Yes I know on other cars it blinks faster, I'm not sure what type is used to get that function when a bulb is out. They are all different, and to ask if ALL cars use digital because it blinks faster isnt a true statement since not ALL cars blink twice as fast. I know our car is not the only one that stops blinking.

Description someone used on Camaro Z28
A thermal flasher has a bi-metal strip in it that heats and cools. The rate at which it does this is dependant on the make-up of the strip, itself and the amount of resistance in the lamp circuits. This results in the "flashing". Ever notice someone pulling a trailer, that the turn signals flashed very fast? That is because the normal flasher on the vehicle was not rated for the additional load of the trailer lighting. More resistance=more rapid heating of the flasher=faster flashing. That is why they sell heavy duty flashers for towing.

An electronic flasher is not dependent on a bi-metal strip and will perform the same no matter what the load (at least that is the way I understand it ).

Sorry if that is more than you wanted to know.

What is your RPM when it starts flashing slow? and does it flash at a normal rate when your driving normally, Above 1500 rpm?

As said the flasher is NOT part of the courtesy module, its all by itself clipped up under the dash just dangling on a wire pigtail.
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Re: turn signals stop when i do......

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DTMAce wrote:But as I found out, there are issues with the ABS system not seeing the bulb load correctly either. Hence why I had to use load resistors to keep the ABS from freaking out. Unless its different on the 96 vs the 94/95 or older ABS equipped vehicles.
What? I don't understand what the blinkers have to do with the ABS...
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Re: turn signals stop when i do......

Post by themadness »

it usually gets erratic below 1500. my wife says just live with it, my OCD tendencies wont let me.

which of these could be the culprit?
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Re: turn signals stop when i do......

Post by 3X00-Modified »

It looks the same as the hazzard flasher, its clipped way up ther, its round and silver.

This is what I put in my 95 when I did the euro tails.

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Re: turn signals stop when i do......

Post by DTMAce »

3X00-Modified wrote:
DTMAce wrote:But as I found out, there are issues with the ABS system not seeing the bulb load correctly either. Hence why I had to use load resistors to keep the ABS from freaking out. Unless its different on the 96 vs the 94/95 or older ABS equipped vehicles.
What? I don't understand what the blinkers have to do with the ABS...
Nevermind, I was talking about bulb load, not blinker. But while the HD blinker might fix the blink rate, it may not correct the ABS from detecting bulb load, that was what I was referring to. Plus my last post which was rather long is now missing.

I still think he has a voltage issue, not a blinker issue. Simple as that. He should use a volt meter, test the voltages (at the battery) at idle and at 2500, and test them with it in gear and someone holding the brake, turning the wheel, etc. He needs to be 13-14v. I'm betting he is dropping down onto the battery when stopped. Or near to it.

The other thing is the bulbs themselves. Could be drawing more current then they are supposed to. Make want to go get some new 1157s and replace them all, just to be sure. They don't cost much. That or the alternator needs tested and make sure its good.
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Re: turn signals stop when i do......

Post by 3X00-Modified »

The bulb load has nothing to do with the ABS though... its a completely isolated system from the brake lights. The only input the ABS sees from the brake system is the brake switch on the pedal meaning brake applied or not.

I agree with the rest though that this is a low power issue and the alternator is not charging as it should be at Idle.

Even quicker test... sit at idle turn blinker on... note rate... Rev motor to 2k rpm... note rate... Shut off car, turn ignition to ON do not start, turn on blinker and note rate.... Compare results.
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Re: turn signals stop when i do......

Post by themadness »

both the battery and alternator are fine as they have been tested. after messing around for a while i have also noticed a buzzing between flashes coming from under the steering wheel panel. in the vicinity of where the blinkers are supposed to be.
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Re: turn signals stop when i do......

Post by 3X00-Modified »

Find and change the flasher then, thats all I can help with.
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Re: turn signals stop when i do......

Post by DTMAce »

Then explain to me why with the bulbs out of the system completely, the ABS light goes on? Or if you hook up LED bulbs and no load resistors the ABS light comes on? Don't tell me that they don't matter. I know for a fact that they do. Go pull all your turn bulbs and see if your ABS kicks on. Yours being a 96 may be different though. (if I remember correctly on the year of your car or harness)

I had to deal with this very problem. The ONLY way to fix it, was to drop in load resistors so the ABS would not be tripped. Anything else I tried failed, including the HD/LED flashers. With LED lighting and its low power consumption, the turns and blinkers would not blink at all with the normal flashers, and I had the bulb out indicator lights in the dash, though faint and the ABS would kick on immediately. Once the resistors were installed, everything worked just fine. That is why I made the comment.
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