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This publication is available at https://www.gov.uk/government/publications/mot-changes-from-may-2018-guidance-for-mot-testers/lamps-reflectors-and-electrical-equipment
This guide summarises some of the main changes to lamps, reflectors and electrical equipment when the MOT changed on 20 May 2018.
This isn’t a full list of all the changes in this section of the manual. Check the manual if you find a defect and aren’t sure if you need to test the item.
1. New failures
There are new failures for:
- daytime running lamps (DRLs) on vehicles first used from 1 March 2018
- front fog lamps
- reversing lamps on vehicles first used from 1 September 2009
- light source and lamp not compatible
- headlamp washers tested on vehicles first used from 1 September 2009
2. Daytime running lamps and front fog lamps
You need to check DRLs and front fog lamps on vehicles first used from 1 March 2018.
Record a ‘major’ defect if a DRL or fog lamp doesn’t work.
Vehicles that need their first MOT after 3 years
You won’t test these vehicles until 1 March 2021.
Vehicles that need their first MOT after one year
You’ll test these items on these vehicles from 1 March 2019.
3. Reversing lamps
You need to test reversing lamps on vehicles first used from 1 September 2009.
One or two may be fitted, but all must work.
Record a ‘minor’ defect if one or more doesn’t work.
4. Other information you need to know
Interaction of lamps
When DRLs are used as front position lamps, they might:
- dim when rear position lamps are switched on
- go out when headlamps or front fog lamps are switched on
End-outline marker lamps
You need to inspect end-outline marker lamps on class 4, 5, and 7 vehicles that have a width longer than 2.1 metres.