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Mosey
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Turn signal - left blinks faster than right
10/08/02 08:29 AM
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My 89 Chevy pickup just started doing something odd yesterday. The left turn signal blinks too fast, but the right turn signal is still OK. The left signal will start out blinking normal speed, then after about 10 seconds it starts blinking too fast. I checked the bulbs and all of them are working. Is there a separate blinker for left and right? I always thought there was just one. Thanks.
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hazmat
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Re: Turn signal - left blinks faster than right
[re: Mosey]
10/08/02 08:32 AM
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Replace the bulb. Sometimes the resistance of the bulb increases as it gets older. Might solve your problem cheap.
Or maybe you go shopping for the new pickup that we were talking about on tbn 
Hazmat
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Mosey
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Re: Turn signal - left blinks faster than right
[re: hazmat]
10/08/02 10:06 AM
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"Or maybe you go shopping for the new pickup that we were talking about on tbn". Good idea hazmat!
Maybe if I don't fix the turn signal and sabotage a few other things I can convince my wife I need a newer truck!
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edt
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Re: Turn signal - left blinks faster than right
[re: Mosey]
10/08/02 10:19 AM
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Maybee check the grounds also just a thought i owned an 89 gmc great trucks
EDT
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Pat
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Re: Turn signal - left blinks faster than right
[re: Mosey]
10/08/02 02:35 PM
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Danny (AKA MOSEY), You could pull out all 4 turn signal bulbs and put the left ones in the right and the right ones in the left. If the problem stays the same, it wasn't a bulb problem. While you have the bulbs out, look at the solder blobs on the bottom where they make contact with the bulb holder and see if they are dirty, corroded, or worn away (in the old days I used to use a soldering gun and solder to build them back up when that was easier than a trip to the parts store. Clean the wholle metal base of the bulbs (if you have the kind with metal bases) and put them back in. If the problem changed sides, substitute bulbs on that side to find the bad one. You are successful when replacing a bulb fixes the problem.
If none of this helped then the problem is in something you didn't check yet: turn signal switch (hope not - expensive and harder to R&R), flasher (easier to swap), or wiring or conections (might be a bugger to find). If yo have separate flashers, left and right, swap them and see if the problem changes sides. If yes replace flasher.
If you are confident working with 'lectricity you could locate and temporarily switch the turn signal wires coming from the turn signal switch. Could use somethig like test leads with 'gator clips. if the problem is in the switch or associated wiring, the problem will swith sides when yo swap the wires. If it is a grounding problem, short, bad connection or whatever in wires associated with one side or the other the problem will stay on the same side when you are swaping sthings around. Hope that this is not the case as this is the more difficult problem to find.
Oh, by the way... Have you confirmed that all four bulbs flash? One may be out or be the source of the problem in another way and will look less bright or whatever in addition to flashing faster.
Hope this helps. If yoi need/want more detailed assistance, contact me privately so we don't bore everyone.
Pat
"I'm not from your planet, monkey boy!"
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Mosey
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Re: Turn signal - left blinks faster than right
[re: Pat]
10/08/02 03:10 PM
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Pat - Thanks for the ideas. I did check the lights by just seeing if they all work and they do. I haven't pulled the lenses yet to check for corrosion or a bad connection, so I'll do that. As near as I can tell there's only 1 flasher, so I'm suspecting a bad bulb or something.
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chevdog
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Re: Turn signal - left blinks faster than right
[re: Mosey]
10/08/02 04:57 PM
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There is only 1 flasher controlling the turn signals. Something is causing too much resistance on that left side. I would guess that it's the bulb, contacts, or a poor ground.
It's a similar situation if you connect a trailer to a vehicle with a standard flasher - the signals would blink very rapidly due to the increased resistance through the stock flasher. That's why you would use a heavy duty flasher.
With that said, I think it's time for a new truck 
Nick
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Pat
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Re: Turn signal - left blinks faster than right
[re: Mosey]
10/08/02 10:24 PM
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Danny, Its hard to tell if the lights are at the same intensity, especially in daylight, but if you swap the bulbs left with right and the blink rate difference problem changes sides, it is a bulb on the odd working side. This should be a piece of cake compared to the toughest automotive electrical system trouble shooting I have ever seen which was a Cadilac that worked perfectly for the regular driver but not for the guys wife. He would drive to the airport to get a flight and the car would be perfect. On the way home she often had problems with it stalling and acting up. It turned out that since she was so heavy when she hit a bump she would bottom out the cushion of the driver's seat and the metal mesh spring assy would cut the insulation of the power seat wire, shorting it to ground and causing malfunctions. A friend of mine found the problem and rerouted the wire, never mentioning anything about it being a gross weight problem just an intermittent. He thought the husband caught on and like my bud, just kept quiet.
Pat
"I'm not from your planet, monkey boy!"
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Mosey
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Re: Turn signal - left blinks faster than right
[re: Mosey]
10/09/02 07:25 AM
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OK everyone, the problem is solved. I put new bulbs in the front and that didn't help. I put a new bulb in the back and the problem went away. I'm guessing the 10 second delay was because the bulb heated up then started causing the problem. Thanks for all your help!
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hazmat
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Re: Turn signal - left blinks faster than right
[re: Mosey]
10/09/02 07:30 AM
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Mosey,
Glad it was a cheap fix. Too bad you'll have to wait for the new truck I'm sure the "accountant" approves.
Hazmat
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Inspector507
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Re: Turn signal - left blinks faster than right
[re: Mosey]
10/14/02 06:30 PM
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Shoot.........there went the new truck
Jerry
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Mosey
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Re: Turn signal - left blinks faster than right
[re: Inspector507]
10/22/02 08:18 AM
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Maybe not Jerry! It's only been 2 weeks and now it's doing it again!
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Argee
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Re: Turn signal - left blinks faster than right
[re: Mosey]
10/22/02 05:37 PM
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Mosey,
Check for a weak ground. When you changed the bulbs you may have wiggled it enough to reestablish a temporary connection. Check the socket for corrosion.
Argee 
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karmakanic
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Re: Turn signal - left blinks faster than right
[re: Mosey]
10/22/02 09:57 PM
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Danny,,,
Flasher relays flash faster (say that fast 3 times,  ) when there is an increase in resistance of the circuit they are controlling. An intermittant open connection at either bulb circuit on the affected side or weak/worn contacts in the turn signal switch will cause this problem. If it's bad contacts in the switch, it usually happens on the left side, since left turn signals are used more often then right.
When the problem occurs check the bulbs on the affected side. If both bulbs are flashing, the problem is probably in the switch. If one is flashing, and the other is not, the problem is in the circuit of the non functioning one. Often times the contacts of the bulb holder will get burnt or lose tension, so check for that if the problem is on the one circuit.
HTH,
Dave
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Mosey
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Re: Turn signal - left blinks faster than right
[re: Mosey]
10/23/02 02:31 PM
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After blinking too fast on the drive in this morning (only all the time, not the 10 second delay like before), it worked fine when I went out for lunch. I'll look around for a loose wire or something, but intermittent problems like this are a pain to track down.
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lbrown59
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Re: Turn signal - left blinks faster than right
[re: Mosey]
03/26/06 06:30 PM
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I had this problem on my 1986 dodge D 50 pick up a cpuple months ago.
Left front bulb was bad.
Replaced it with a new one.Lasted 2 days and the problem came back.
Went and bought another new bulb. This time a different brand and a different numbered bulb.This one lasted a week.
Went and got another new bulb still another brand and bulb number. Has worked fine ever since.
lb
3 Kubotas
1 BX23
2 BX1500s
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Re: Turn signal - left blinks faster than right
[re: lbrown59]
05/07/06 03:33 AM
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Amazing! I have the same year truck and it is doing the same thing. Except the drivers rear turn lights are not working full y likr the pass side.
I bought a new flasher, new bulb,etc.. Still their... It may need a new taillight assembly as this one is corroded and im out of ideas. Ill try that and a new turn switch. Let me know if you get a good fix.
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Gatorboy
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Re: Turn signal - left blinks faster than right
[re: lbrown59]
05/07/06 07:30 AM
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LBrown59 at it again ... bringing back ancient threads. The original poster (who hasn't posted since Oct '05) I'm sure by now has gotten his problem solved, or has a new vehicle by now.
:: D A V E
:: g a t o r b o y
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