So the EU
regulation
https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:42011X1206(03)
says:
"6.19. Daytime running lamp (Regulation No 87) (17)
6.19.1. Presence
Mandatory on motor vehicles. Prohibited on trailers.
6.19.2. Number
Two
6.19.3. Arrangement
No special requirement
6.19.4. Position
6.19.4.1. In width: the distance between the inner edges of the apparent surfaces in the direction of the reference axes shall not be less than 600 mm.
This distance may be reduced to 400 mm where the overall width of the vehicle is less than 1 300 mm.
6.19.4.2. In height: above the ground not less than 250 mm nor more than 1 500 mm.
6.19.4.3. In length: at the front of the vehicle. This requirement shall be deemed to be satisfied if the light emitted does not cause discomfort to the driver either directly, or indirectly through the devices for indirect vision and/or other reflecting surfaces of the vehicle.
6.19.5. Geometric visibility
Horizontal
outwards 20° and inwards 20°.
Vertical
upwards 10° and downwards 10°.
6.19.6. Orientation
Towards the front
6.19.7. Electrical connections
6.19.7.1. The daytime running lamps shall be switched ON automatically when the device which starts and/or stops the engine (propulsion system) is set in a position which makes it possible for the engine (propulsion system) to operate. However, the daytime running lamps may remain OFF while the following conditions exist.
6.19.7.1.1. The automatic transmission control is in the park position; or
6.19.7.1.2. The parking brake is in the applied position; or
6.19.7.1.3. Prior to the vehicle being set in motion for the first time after each manual activation of the propulsion system.
6.19.7.2. The daytime running lamps may be switched OFF manually when the vehicle speed does not exceed 10 km/h provided they switch ON automatically when the vehicle speed exceeds 10 km/h or when the vehicle has travelled more than 100 m and they remain ON until deliberately switched off again.
6.19.7.3. The daytime running lamp shall switch OFF automatically when the device which starts and/or stops the engine (propulsion system) is set in a position which makes it impossible for the engine (propulsion system) to operate or the front fog lamps or headlamps are switched ON, except when the latter are used to give intermittent luminous warnings at short intervals (18).
6.19.7.4. The lamps referred to in paragraph 5.11 are not switched ON when the daytime running lamps are switched ON, except if daytime running lamps are operating according to paragraph 6.2.7.6.2.
6.19.7.5. If the distance between the front direction-indicator lamp and the daytime running lamp is equal or less than 40 mm, the electrical connections of the daytime running lamp on the relevant side of the vehicle may be such that either:
(a)
it is switched OFF; or
(b)
its luminous intensity is reduced during the entire period (both ON and OFF cycle) of activation of a front direction-indicator lamp.
6.19.7.6. If a direction-indicator lamp is reciprocally incorporated with a daytime running lamp, the electrical connections of the daytime running lamp on the relevant side of the vehicle shall be such that the daytime running lamp is switched OFF during the entire period (both ON and OFF cycle) of activation of the direction-indicator lamp.
6.19.8. Tell-tale
Closed-circuit tell-tale optional
6.19.9. Other prescriptions
No prescription"
Nothing in there about a horn connection, and on flashing lights it says:
"5.9.1. Direction-indicator lamps, the vehicle-hazard warning signal, amber side-marker lamps complying with paragraph 6.18.7 below, and the emergency stop signal shall be flashing lamps."
So, Not in the regulations.
Robert G8RPI.
