Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 314Get this manual
Instrument Installation MPORTANT: When installing Instruments, refer to Installation instructions which are supplied with each kit1Selec sui table location for each instrument that affords both good visibility and accessibility
6Con nect ires fo ll owi ng wiri ng diagram
7Sea all connec tio ns with Qui cksilver Liquid Neoprene (92-2571 1)
8Secure bu llet (lanyard sto switc models) connections wi th retai ner and sta-strap
2l ocation se lected for each instrument must be
within harness limits of ignition choke switch assembly and or remote control wiring Refer to wi ring iag ram following3Select proper mounting lemplate (s) from back pages Instrument In stallati on instructions and place template(s) at desired loeat ion