PA-22 TRI-PACER PARTS CATALOG 18 17 19 27 21 20 2 15 16 22 6 12 3 28 8 VHT2 13 10 30 14 25 29 9 4 VTR1 5 9 VC27 VTLR2 26 VTLR1 31 1 23 24 Figure 60. Narco Radio Installation (Serial Nos. 22-1 to 22-7642 inclusive) 188