Does anyone know where I can get a wiring diagram for a 12 volt system having an alternator, distributor, starter, coil, lighting, etc.?
It is a mutt 1911 Model T Runabout. The previous owner had installed the alternator, starter, lights, distributor and coil...all 12 volts...but no wiring...this is what I need help on. Am not good at electrical wiring on the fly without seeing a diagram compatible with this setup. I need a visual guide.
Help on wiring please.
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- Joined: Tue Jan 08, 2019 4:56 pm
- First Name: Frank
- Last Name: Brandi
- * REQUIRED* Type and Year of Model Ts owned: Speedsters (1919 w 1926 upgrades), 1926 (Ricardo Head)
- Location: Moline IL
- Board Member Since: 2018
Re: Help on wiring please.
--jaybee47 wrote: ↑Fri May 12, 2023 5:50 pmDoes anyone know where I can get a wiring diagram for a 12 volt system having an alternator, distributor, starter, coil, lighting, etc.?
It is a mutt 1911 Model T Runabout. The previous owner had installed the alternator, starter, lights, distributor and coil...all 12 volts...but no wiring...this is what I need help on. Am not good at electrical wiring on the fly without seeing a diagram compatible with this setup. I need a visual guide.
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NOTE Not all ignition coils require a ballast resistor. You need to check its instructions
Last edited by TRDxB2 on Fri May 12, 2023 7:42 pm, edited 1 time in total.
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Re: Help on wiring please.
One more note. When on 12 volts, the ignition coil will need a ballast resistor in series with the supply voltage. Some 12 volt coils have this built in some do not. Check your coil, hopefully its marked. If you need a ballast resistor look for Napa part number ECH ICR12 --$7.69. I have also used this same resistor to run a 6 volt horn on 12 volts.
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Topic author - Posts: 335
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- * REQUIRED* Type and Year of Model Ts owned: 1922 Runabout
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Re: Help on wiring please.
Just what I needed....many many thanks to Frank and John


