Fuse box Opel/Vauxhall Meriva A - fusesdiagram Fuse box in engine compartment Opel/Vauxhall Meriva A. fuse box location. The fusebox is at the front of the engine compartment, near the windscreen. Disengage cover of fusebox from lug and lift off. fuse box diagram. F1 (30A) AC/heater blower motor. F2 (50A) Power steering. F3 Interior Fuse Box Location: 2003-2010 Opel Meriva 2003 The video above shows how to replace blown fuses in the interior fuse box of your 2003 Opel Meriva in addition to the fuse panel diagram location. Electrical components such as your map light, radio, heated seats, high beams, power windows all have fuses and if they suddenly stop working, chances are you have a fuse that has blown out.