car radio disturbs gps reception on the Start 25

Dominique1955 Registered Users Posts: 4
Neophyte Traveler
edited December 2021 in Devices using MyDrive Connect
my tomtom start 25 functioned well, until I mounted a new Pioneer car radio.
Pioneer DEH-X7800DAB | 1DIN
the electro magnetic field disturbs the gps reception.
is there any solution?
thanks for your help