So I pulled the instrument cluster out a little (did not disconnect oil) of my brother's 300SD to fix the lights for the speedo, but when putting it back, I could not figure out the order that the bulbs go in on the passenger side of the cluster, besides the left turn signal. Anyone know, or should I try to figure this out by trial and error?

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Current: 1975 450SEL, 83 300D, 88 Yugo GVX, 90 300D OM603 swap, 91 F150 4.6 4v swap, 93 190E Sportline LE 3.0L M104 swap, 93 190E Sportline LE Megasquirt, 03 Sprinter, 06 E500 4Matic wagon.