I bought my 1973 c20 3/4 ton chevy and the blinkers don't work only thing I replaced was the flasher how do I repair it to be able to work? I don't know where to start

40

Asked by Nov 28, 2015 at 11:41 PM about the 1973 Chevrolet C/K 20

Question type: Maintenance & Repair

13 Answers

46,335

Check the bulbs and fuse. Also clean the light bulb sockets and electrical connections.

1 out of 1 people think this is helpful.
148,425

Full_of_Regrets is spot-on. Aerosol electrical contact cleaner works well. Copious amounts, spray the stuff everywhere in the bulb sockets. Otherwise fuses.

3 out of 3 people think this is helpful.
40

Ok if that doesn't work what would I have to replace or upgrade?

1 out of 1 people think this is helpful.
148,425

Do the 4-Way E-Flashers ALL work? On all 4 corners?

2 out of 2 people think this is helpful.
46,335

Check to make sure wires to the tail lights are not damaged. Re- wiring the tail lights will be fairly easy to do should nothing else work.

1 out of 1 people think this is helpful.
148,425

And hold on...geez, wait, I did NOT mean spray contact cleaner in the fuses and/or fuse box. I worded that poorly

2 out of 2 people think this is helpful.
40

I didn't get to the flashers I was occupied by the GPS they have in it. I checked to see if when they put thag in if it ruined something.

1 out of 1 people think this is helpful.
46,335

I like to use rubbing alcohol on a Q-tip for cleaning contacts. Just wait a minute or two for it to dry.

1 out of 1 people think this is helpful.
148,425

Here we go. A 1973 will not have factory GPS/navigation. It's aftermarket, probably Garmin or Tom-Tom. Nothing wrong with either if those ..... but if somebody tried to make a permanent power supply, instead of using cig lighter, they may have cut some wires or tapped them to get power

2 out of 2 people think this is helpful.
46,335

If the dash lights work then the problem is not the fuse as the dash lights and tail lights are on the same circuit.

1 out of 1 people think this is helpful.
40

I meant the dealership put it in there and they will take it out after I pay it off

1 out of 1 people think this is helpful.
40

Everything seems to work dash lights and everything but the blinkers

1 out of 1 people think this is helpful.
148,425

Ahhh... different thing. They want to know where the car is. Who knows what/how they did that

2 out of 2 people think this is helpful.

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