Instructables

Tail light for bike rack

I built this light for the bicycle rack on the rear of my car. It serves as an additional tail light and brake light.

Why: When I load the rack with several bikes, they often obscure the car's tail lights and upper brake light. This project helps make the car more visible, at day and at night.

Prereqs:
- This instructable assumes you have the electrical skills to wire trailer lights.
- This instructable assumes your car is already wired with connectors for trailer lights.

Caution: Please check your local laws to ensure this project is street-legal where you live.

Acknowledgement: This was not my idea. I saw one on the road. I was so impressed, I built my own.
 
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Step 1: Parts and assembly

Parts:
- Commercial trailer tail light assembly (I used an LED unit from Harbor Freight)
- Wire, shrink wrap, and connectors (from the trailer store)
- Wood, cable ties, string, goop glue, staples, paint (from the scap box)

Assembly:
- I cut a piece of wood to fit nicely on the bike rack.
- I attached the trailer light to the bottom of the wood two ways:
-- A glob of glue (Goop brand waterproof glue) between the light and wood
-- Two heavy cable ties (zip ties) around the light and wood
- I soldered a length of wire from the light to the trailer connectors.
- I stapled a length of string to each end of the wood.
- I painted it a visible color.
JOE4u3 years ago
my name is Joe , [an A.S.E certified automotive technician for 35yrs] and i have converted many cars and some other projects that i have work with in the pass.. I love the idea of using a hub wheel rather then a gas engine, especially because its less pollution and its much more quieter then those noisy lawnmowers engines. Hay good luck and hope that your next project is successful as this one.
coastrider4 years ago
GOOD IDEA ..BUT OVER HERE IN AUSTRALIA YOU MUST DISPLAY YOUR REGISTRATION PLATE SO WE NEED A LONGER BOARD WITH INDICATORS < TURN SIGNAL ON EITHER SIDE > & STICK ON LETTERS / NUMBERS FOR THE PLATE WITH STOP TAIL LIGHT IN MIDDLE ... THIS ALSO SHOWS HOW WIDE YOUR LOAD IS ON BACK OF CAR AS IN MOST CASES BIKES ARE WIDER THAN CARS
twocvbloke4 years ago
Looks good to attract attention, but here in the UK, if you were to obstruct the rear lights with something like a bike or two you'd need to have a full light bar with indicators (orange), reverse (white), stop and tail (both red, latter duller then the former)... :) Still, if it's cheaper to make one than to buy one, I'm all for it, if I drove that is... :D
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