A lighting module for a vehicle lamp of an automotive vehicle, the lighting module comprising an electrical connection assembly having a main connector suitable to be electrically connected to a power supply of the vehicle lamp by a primary wire harness; a plurality of secondary connectors (150a, 150b, 150c, 150d) configured to provide the power supply to a plurality of electric loads of the vehicle lamp; and characterized in that, the lighting module comprises two sub-wire harness portions (155a, 155b) branching out from the main connector and routed along longitudinal sides of the lighting module to electrically connect the main connector and the plurality of secondary connectors (150a, 150b, 150c, 150d), wherein the lighting module includes a fixed part and a movable part, and wherein the two sub-wire harness portions (155a, 155b) are connected between the fixed part and the movable part, wherein the fixed part comprises a slot to fix the main connector therein, and a first left fixation point, and a first right fixation point, left and right directions being relative to the position of the main connector; and the movable part comprises a movable frame provided with a second left fixation point and a second right fixation point, wherein a first sub-wire harness portion of the two sub-wire harness portions (155a, 155b) is routed from the main connector to one or more secondary connectors (150a, 150b) of the plurality of the secondary connectors via the first left fixation point and the second left fixation point; and a second sub-wire harness portion of the two sub-wire harness portions (155a, 155b) is routed from the main connector to remaining secondary connectors (150c, 150d) via the first right fixation point and the second right fixation point. the lighting module comprising an electrical connection assembly having a main connector suitable to be electrically connected to a power supply of the vehicle lamp by a primary wire harness; a plurality of secondary connectors (150a, 150b, 150c, 150d) configured to provide the power supply to a plurality of electric loads of the vehicle lamp; and characterized in that, the lighting module comprises two sub-wire harness portions (155a, 155b) branching out from the main connector and routed along longitudinal sides of the lighting module to electrically connect the main connector and the plurality of secondary connectors (150a, 150b, 150c, 150d), a plurality of secondary connectors (150a, 150b, 150c, 150d) configured to provide the power supply to a plurality of electric loads of the vehicle lamp; and characterized in that, the lighting module comprises two sub-wire harness portions (155a, 155b) branching out from the main connector and routed along longitudinal sides of the lighting module to electrically connect the main connector and the plurality of secondary connectors (150a, 150b, 150c, 150d), wherein the lighting module includes a fixed part and a movable part, and wherein the two sub-wire harness portions (155a, 155b) are connected between the fixed part and the movable part, wherein the fixed part comprises a slot to fix the main connector therein, and a first left fixation point, and a first right fixation point, left and right directions being relative to the position of the main connector; and the movable part comprises a movable frame provided with a second left fixation point and a second right fixation point, wherein a first sub-wire harness portion of the two sub-wire harness portions (155a, 155b) is routed from the main connector to one or more secondary connectors (150a, 150b) of the plurality of the secondary connectors via the first left fixation point and the second left fixation point; and a second sub-wire harness portion of the two sub-wire harness portions (155a, 155b) is routed from the main connector to remaining secondary connectors (150c, 150d) via the first right fixation point and the second right fixation point. the movable part comprises a movable frame provided with a second left fixation point and a second right fixation point, wherein a first sub-wire harness portion of the two sub-wire harness portions (155a, 155b) is routed from the main connector to one or more secondary connectors (150a, 150b) of the plurality of the secondary connectors via the first left fixation point and the second left fixation point; and a second sub-wire harness portion of the two sub-wire harness portions (155a, 155b) is routed from the main connector to remaining secondary connectors (150c, 150d) via the first right fixation point and the second right fixation point.