Forum → Questions about Mercedes Repair → W126 TRIP COMPUTER FITTING → Post Reply Post Reply: W126 TRIP COMPUTER FITTING <blockquote><div class="quotetitle">Quote from MERC1 on January 24, 2020, 11:20 pm</div>I have just purchased a trip computer for my W126 sec I have tried bench testing it but unable to get the lcd display on the trip computer to come on Is it possible to bench test or do I need to connect the car loom plug as well It is a 1984 loom I have black/red grey/black Brown earth Wire which goes to x35 terminal is this terminal a 12V supply Any help would please be appreciated as not many have done a retro fit and i am struggling to power t up on the bench </blockquote><br /> Related Posts:Front suspension arm replacement on W201 and W124
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