Simply connect between the feed and earth, if the bulb lights then current is present.
Laser Tools 9078 Automotive Multimeter CAT III 600V AC DC Test Leads Data Hold
LASER TOOLS 6228 Multimeter Service Digital AC/DC Measuring Tool OE Quality
Laser Tools 7980 Oil Funnel Kit with Laser 9113 Drain Storage Station (9120)
LASER TOOLS 0254 Saw Blade Service Laser Hacksaw Blades 2 Pieces HSS OE Quality
Laser 3484 Rivets Plastic 6.6mm x 17.2mm 20 piece Use with Laser Tools Riveters