64 impala front blinker - Impala Tech
Troubleshooting Diagnosing problems

 
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post #1 of 3 (permalink) Old 12-05-2009, 12:47 PM Thread Starter
 
 
Join Date: Dec 2008
Location: texas
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64 impala front blinker

ok my impalas blinker was working fine and now on the dash the light for the left will not blink i can hear it but its not showing the right signal works fine shows the light inside and on the outside now on the front of car the blinker does not work but the parking light turns on but wont blink and the right side blinks fine i thought it would be the bulb but how come it turns on when i put the parking lights on can anyone help ???
luckeight is offline  
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post #2 of 3 (permalink) Old 12-05-2009, 10:01 PM
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rusty socket, bad ground, bad/wrong bulb
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post #3 of 3 (permalink) Old 12-06-2009, 10:17 AM
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Parking light and blinker use different filaments. The bulb should be an 1157 with two filaments visible in the bulb envelope and have two bumps on the bottom of the bulb. Because the bulb has two different elements it has to be inserted correctly to get a bright flash and a less intense power saving parking light. The spades on the bulb are offset at different heights so that the bulb will only go in one way.

A blown dash light bulb will also cause the circuit to be broken and you will not get a flasher to work. If you have two bulbs in the rear (two brake lights per side as on the Impala-Caprice) one bulb could be blown and the system will still flash, but on a Biscayne-Bel Aire any single bulb failure (whether open from being burned out or a bad ground) will keep it from flashing.

Usually on these old cars water getting into the lights causes them to corrode to the point where the pig tail has to be replaced (light socket with the two wires leading into it).

Big Dave
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