mack31 Posted October 19, 2015 Share Posted October 19, 2015 I have a 1953 L model ladder truck. It has two 12 volt batteries. I had to replace the light flasher which says 24volt on it? I replaced it with one that says 12/24volt and it's not working. Under the hood is original as far as I know. Quote Link to comment https://www.bigmacktrucks.com/topic/42255-electrical-question-l-mack/ Share on other sites More sharing options...
fxfymn Posted October 21, 2015 Share Posted October 21, 2015 I assume you replaced the old flasher because it stopped working which begs the question; are you sure it is the flasher? A bad bulb or a break in the circuit will make the lights stay on steady instead of flashing. If anything a 12v should flash very fast if it is the incorrect voltage. Quote Money, sex, and fire; everybody thinks everyone else is getting more than they are! Link to comment https://www.bigmacktrucks.com/topic/42255-electrical-question-l-mack/#findComment-308276 Share on other sites More sharing options...
mack31 Posted October 21, 2015 Author Share Posted October 21, 2015 The flasher was acting up. It would be fine and than other times it would take longer to change lights. There are wires everywhere I am doing one thing at a time retracing and replacing Quote Link to comment https://www.bigmacktrucks.com/topic/42255-electrical-question-l-mack/#findComment-308289 Share on other sites More sharing options...
fxfymn Posted October 22, 2015 Share Posted October 22, 2015 You can test either flasher with a 12v test light. Wire it up with the test light taking the place of the turn lamp. Quote Money, sex, and fire; everybody thinks everyone else is getting more than they are! Link to comment https://www.bigmacktrucks.com/topic/42255-electrical-question-l-mack/#findComment-308385 Share on other sites More sharing options...
mrsmackpaul Posted October 22, 2015 Share Posted October 22, 2015 if you take the flasher out and test it strait to the battery and prove if its the flasher and not a wiring problem before you go any further might be a good idea Paul Quote Link to comment https://www.bigmacktrucks.com/topic/42255-electrical-question-l-mack/#findComment-308414 Share on other sites More sharing options...
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