Don Coatney Posted April 2, 2017 Report Posted April 2, 2017 Resistors require heat to work. Starting a car with a cold resistor will produce a higher voltage and that voltage will drop as the resistor heats up. So an internally resisted coil will supply a somewhat higher voltage at startup. On my 12 volt conversion I am using a Ford 4 pole solenoid. Pole 3 in the photo below is hot with a full 12 volts when ever the starter button is pushed. I ran a wire from this pole to the coil side of my external ballast resistor so during startup I supply a full 12 volts to the coil. Once I release the starter button the coil power is resisted to something close to 6 volts. 1 Quote
bambamshere Posted April 2, 2017 Author Report Posted April 2, 2017 Think it might be time to buy a repair manual for this truck and figure out what every thing is. I was looking at the fire wall the other day and notice that there is wiring going to a bunch of coils on the fire wall that look like the stainless steal. There is 3 of them. Looks like there is one going to power and one lead going to Ground under the truck somewhere. This is a truck that has been in the family since new. So not sure what all has been done with it. Paper trail isn't the greatest. Quote
Plymouthy Adams Posted April 2, 2017 Report Posted April 2, 2017 1 hour ago, bambamshere said: Think it might be time to buy a repair manual for this truck and figure out what every thing is. I was looking at the fire wall the other day and notice that there is wiring going to a bunch of coils on the fire wall that look like the stainless steal. There is 3 of them. Looks like there is one going to power and one lead going to Ground under the truck somewhere. This is a truck that has been in the family since new. So not sure what all has been done with it. Paper trail isn't the greatest. sounds like you describing a voltage regulator with its protective cover removed... Quote
bambamshere Posted April 2, 2017 Author Report Posted April 2, 2017 I will take a picture of it and post it. See what you think. Quote
bambamshere Posted April 2, 2017 Author Report Posted April 2, 2017 Here is a picture of what I was talking about. Well ok I guess I can't take picture tried with phone and it say you can only upload 3mb oh well I tried. Quote
bambamshere Posted April 2, 2017 Author Report Posted April 2, 2017 Here is a picture of what I was talking about. Quote
Plymouthy Adams Posted April 2, 2017 Report Posted April 2, 2017 heater motor speed resistor pack Quote
bambamshere Posted April 2, 2017 Author Report Posted April 2, 2017 30 minutes ago, Plymouthy Adams said: heater motor speed resistor pack So what your saying is It's for the blower motor under the dash. Quote
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