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#91064101
Speedway Runtz 12-Volt to 6-Volt Voltage Reducer
- Allow you to use your 6 volt electronic devices on a vehicle that has been converted to 12 volts
- You will need a reducer for each 6 volt electric gauge on your car
- Designed for 12 volt negative ground systems only
$28.99
/each
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Product Summary
Universal Fit, 1.70" Overall Length, .55" Overall Width
- Allow you to use your 6 volt electronic devices on a vehicle that has been converted to 12 volts
- You will need a reducer for each 6 volt electric gauge on your car
- Designed for 12 volt negative ground systems only
- Screw type terminals, 1.5 ohm resistance, 4 amp max load, 25 watts
- NOT for use with fans, heaters, radios, or motors
Need To Know
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Return PolicySpeedway Motors 91064101 Details
Speedway Motors 91064101 Details
"Runtz" transistorized 12v to 6v reducers allow you to use your original 6 volt electronic devices (like gauges) on a vehicle that has been converted to 12 volts. You will need a "Runtz" for each 6 volt electric gauge on your car.
Designed for 12 volt negative ground systems only. Screw type terminals. 1.5 ohm resistance, 4 amp max load, 25 watts.
Note: Never, ever use ceramic block style reducers for gauges, radios or lighting. A power surge will destroy the electronics when first turned on. Ceramic block reducers should only be used to operate 6 volt DC motors and fans on 12 volt DC.
Charts
910-64101 Instructions (PDF)
Guides & Documents
Speedway Motors 91064101 Specifications
Speedway Motors 91064101 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91064101 |
| Brand | Speedway Motors |
| GENERAL | |
| Overall Length | 1.70" |
| Overall Width | .55" |
| Overall Height | .67" |
| Amperage | 4 amps |
| Notes | Use with gauges, not heater fans or radios. |
Ratings & Reviews
4.7
51 Reviews
Customers appreciate the product's qualities such as reliability, practicality, and ease of use. This voltage reducer is hailed for allowing original 6V gauges to function flawlessly even after conversion to a 12V system, inherently preserving the nostalgic elements of vintage vehicles. The product is easy to install, supports a range of classic cars, and is described as a must-have for 12V conversions. However, few customers suggest improvements in packaging, installation instructions, and durability after reporting instances of short-term functionality. Despite minor concerns, customers predominantly recommend our product for its main feature of facilitating a smooth transition from 6V to 12V systems.
Ratings & Reviews
4.7
51 Reviews
Customers appreciate the product's qualities such as reliability, practicality, and ease of use. This voltage reducer is hailed for allowing original 6V gauges to function flawlessly even after conversion to a 12V system, inherently preserving the nostalgic elements of vintage vehicles. The product is easy to install, supports a range of classic cars, and is described as a must-have for 12V conversions. However, few customers suggest improvements in packaging, installation instructions, and durability after reporting instances of short-term functionality. Despite minor concerns, customers predominantly recommend our product for its main feature of facilitating a smooth transition from 6V to 12V systems.
4.7
51 reviews
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Most Liked Positive Review
5.0
A must have in 6v to 12v conversion.
I used in on my fuel gauge when converting my 52 Chevy Styling from 6v to 12v. Super easy to install, gauge works as it should.
Most Liked Negative Review
1.0
Only lasted 4 days
I purchased two of these. I installed one on my fuel gauge and the other on my clock in my 1953 Pontiac. The one on the fuel gauge worked great for three days, the clock lasted four days. Both were installed as per instructions and on there own fused lines with 3 amp fuses. fuses did not blow. As I need a fuel gauge, I am going to try again. The cost of converting the fuel gauge to 12 volt is about $150.00-$200.00. I'm hoping it was just a bad batch. will let you know.
Filter by Ratings
Did not do what it said.
5.0
a month ago
Consumer
Tx
Verified
Installed on Gaige on 49 Chevy truck fuel gauge. Before unit,voltage was at 12.1v, afterwards 8.7v, new wired,new ground. Not unhappy, reviews across the internet are very mixed,some work some don't.. Did not return , if I need to reduce voltage to 8v,might need it..
Would Not Recommend
6volt to 12 volt gas gauge
5.0
5 months ago
Jeff
New York
Verified
Works for a 6 volt gas gauge car converted to 12 volt.
Would Recommend
Would Purchase Again!
5.0
11 months ago
Suburban
Merriam, KS
Verified
Great part for keeping your gauges when converting to 12 volts
Would Recommend
It was exactly what I asked for
5.0
a year ago
T. C.
Fossil, Or
Verified
I knew that I needed a converter from 12 to 6 volts & it worked perfectly.
Would Recommend
Good product, use and protect your original 6V gauge.
5.0
2 years ago
Utruckman
Lebanon PA
Verified
Worked on my original 37 Chevy fuel gauge.
Would Recommend
I would buy this again
5.0
4 years ago
Talin
Inver Grove Heights, MN
Verified
Work as it should
Would Recommend
I would definately buy again!
5.0
5 years ago
Dragula
Mishawaka in
Verified
I am very pleased with product i received!
Would Recommend
Volt Drop for Gauges
5.0
5 years ago
Chuck
San Jose, CA
Verified
Used for 1941 Cadillac fuel and temperature gauges with engine transplant and 12 volt conversion.
Would Recommend
Voltage reducer!
5.0
5 years ago
Seeks
London, On, Canada
Verified
Needed this voltage reducer to get the 6volt gauges working on my '38 Ford truck. Worked perfect!
Would Recommend
A must have for 12 volt conversions
5.0
6 years ago
JT
Orlando, Fl
Verified
Used on the fuel gauge, of the 12 volt conversion, I did on my '54 Belair. Worked perfectly.
Would Recommend
Showing 10 of 51 reviews