NOTE: This is a Vehicle Power Cable / Traffic Antenna and Not Traffic Receiver (GTMxx)!
Do I need traffic receiver or TA20(This item), Find out if you need a traffic receiver or TA20. If you are not sure: To check your Garmin Nuvi has the built-in traffic receiver.
This can be done from the Main Menu scroll down to Device/About.
Look for line "Built in traffic receiver: Yes or No",
If Yes, the Garmin Universal Vehicle Power Cable in this listing will work to provide power and traffic.
If No, it does not have a traffic receiver, there will be no information on Traffic
Most of the following require the TA20:
nuvi 55 55LM 55LMT 56 56LM 56LMT
nuvi 57 57LM 57LMT 58 58LM 58LMT
nuvi 65 65LM 65LMT 66 66LM 66LMT
nuvi 67 67LM 67LMT 68 68LM 68LMT
nuvi 2457LMT 2458LMTHD
nuvi 2497LMT 2498LMTHD
nuvi 2539LMT 2557LMT 2557LMTHD
nuvi 2558LMTHD 2559LMT
nuvi 2577LT 2589LMT
nuvi 2597LMT 2597LMTHD
nuvi 2598LMTHD 2599LMTHD
nuvi 2639LMT 2689LMT 2699LMTHD
dezl 570LMT
NOTE: These units need to be verified with Garmin for compatibility as some require the TA20 while others require the GTMxx cable: nuvi 2455LT nuvi 2455LMT 2495LMT nuvi 2555LT 2555LMT 2557LMT 2595LMT This will provide power to the dezl trucker and RV models such as but not limited to dezl 760lmt 770lmt RV760lmt but will not provide traffic.