A very bright AMBER replacement tail light or corner for trailers or vehicles
This is a non-canbus light. Canbus is required on some vehicles if the vehicle computer checks for burned out bulbs, or for turn signals (may cause signal to blink rapidly). Trailer lights do not require Canbus LEDs.
If you don't know if you have a heavy duty relay, remove one bulb and turn on your turn signal. If the indicator and remaining bulbs blink at the normal rate, you can use this bulb as is, but if it blinks rapidly this is not compatible. A Load Resistor can also be put in the circuit to cure rapid blink problems.
This works with Standard 3157 Sockets. Does not work with 3157CK sockets. See the images on the difference so you can test the socket.
If you need a Cool White 3157, choose our 3157-HP7.5
Total Length - 2 3/8"
Length of Head - 2"
Diameter - 3/4"
Voltage - 12v DC
Amp Draw 0.63A
Color - AMBER
Not DOT Certified.
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As with all M4 products these lights fit as advertised. What a huge difference in visibility with the LED's in place. The "wrinkle" was that in Steve's warnings on the website he stated that sometimes some of the bulbs are bi-directional. I had that issue. When engaging the blinkers after installation all the signal lights blinked in unison. Then I remembered that I might need to turn them bulb's 180* in their sockets. They worked, and all the other issues abated.
M4 Note: Correct orientation applies to a small number of bulbs, the 3157 being one of them because it can go in both ways and there is a high and low light level. Easy fix, turn it around as noted on the packing list and included information slip.