How do turn signals work?

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m (Reverted edits by 64.150.5.36 (talk) to last revision by Cobalt327)
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#If it reads infinite, it is open. Replace the fuse and test the signal system again. If it reads 000, it is good, put it back in the buss box.
 
#If it reads infinite, it is open. Replace the fuse and test the signal system again. If it reads 000, it is good, put it back in the buss box.
 
#Next, set your meter to DCV, V X 50 or auto range, turn the key on, and remove the flasher. Place the black probe on ground, the the other into either of the two flasher terminals. One will read infinite, the other should read 12 volts. If you have that, power is good to the flash unit.
 
#Next, set your meter to DCV, V X 50 or auto range, turn the key on, and remove the flasher. Place the black probe on ground, the the other into either of the two flasher terminals. One will read infinite, the other should read 12 volts. If you have that, power is good to the flash unit.
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#Next, set your meter to ohms, RX1 scale and measure across the flasher. It should read 000. If it does not, it is open, replace the flasher. If it does read 000, it is good (at least for one flash). If that is what happens, replace it with a known good or new one.
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#Next, set your meter to ohms, RX1 scale and measure acro
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#Next, Replace the flasher. Turn either signal on, turn on the key, and isolate the wire from the flasher to the steering column plug. Measure it with your DVOM set for DCV, V X 50 or auto range, and ground. It should read an intermittent 12 volts, or a steady 12 volts if nothing in the system is working. If you have neither, check the wire between the flasher and the column plug for cut condition, or a burned socket.
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#If you have either a cut condition, or a burned socket, check the other side of the column plug. It should read the same as the first reading. If you don't have that, pull the plug, inspect the pins for clean mating surfaces, and burned or bent pins or wires. Repair or replace as required.
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t pins or wires. Repair or replace as required.
 
#If you don't have either a cut condition, or a burned socket, and still dead, check any lead front, or rear of the selected side. It should have 12 volts, either steady or intermittent on it. If not, your trouble is in the column harness between the plug and the switch. Or, the switch itself is bad. Repair or replace as required.
 
#If you don't have either a cut condition, or a burned socket, and still dead, check any lead front, or rear of the selected side. It should have 12 volts, either steady or intermittent on it. If not, your trouble is in the column harness between the plug and the switch. Or, the switch itself is bad. Repair or replace as required.
  

Revision as of 08:00, 19 July 2017

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