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flatheadmurre · 07-08-2017, 01:32 PM

The gauges don´t care about voltage !!
What you need to keep down is the current rush (amperage).
If you let the current rush freely the gauge will be jumping around keeping it low will give you a slower movement.
So the voltage drop will give you less current flow since resitance in the circuit is constant.
A step down converter ready built is starting at about $1 today...you want them to deliver over 3-4amps they start to get expensive.

07-08-2017, 01:32 PM	#42
flatheadmurre Senior Member Join Date: Apr 2015 Location: Sweden Posts: 3,045	Re: How Ford Gauge Unit Work The gauges don´t care about voltage !! What you need to keep down is the current rush (amperage). If you let the current rush freely the gauge will be jumping around keeping it low will give you a slower movement. So the voltage drop will give you less current flow since resitance in the circuit is constant. A step down converter ready built is starting at about $1 today...you want them to deliver over 3-4amps they start to get expensive.