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1988 silverado dash stock photo11/18/2023 ![]() One small update to our factory cluster years ago was replacing the original bulbs with blue LED bulbs.īy contrast, the Dakota Digital HDX analog gauges have a 160 mph speedo, 8000 rpm tach and secondary gauge ranges that work well with any engine. Not great for either Gen I small-block upgrades or LS conversions, both of which are popular now with the GMT400 series. Besides the overall style being outdated, the speedometer maxes out at 85 mph, and the tach redline comes in below 5000. Neither the early or the late (pictured) 1988-94 GMT400 gauge cluster designs have aged well. And for early GMT400 owners they change the entire look of the dash and bring something designed in the mid-1980s as far into the 21 st century as possible. Featuring digitally-controlled analog readouts with modern info centers, these new clusters totally change the look of any dash they’re installed in. Tachometers had redlines under 5000 RPM, and the speedos maxed out at 85 mph.ĭakota Digital has changed the aftermarket gauge world its line of VHX and HDX direct-fit gauge clusters. The other had a factory tach in a Siamese-type layout in the middle with all four accessory gauges moved in a single line above the main two gauges. One was a non-tachometer equipped with a large center speedometer flanked by two accessory gauges on each side. Both styles had two clusters and layouts. While an improvement at the time, these also haven’t aged well. 1992-94 trucks saw an update that used the same layout, but regular indicators with needles were used. Early trucks (88-90) used a very 80s-style gauge design that had moving bars for indicators instead of typical needle-style gauges. The early GMT400s (88-94) used a command center design that had all the gauges in one single unit in the dash. One point in particular to stick out was the gauge cluster. Or were just odd from the beginning, such as the mid-dash mounted tape player. Being heavily influenced by early- to mid-80s GM design philosophies and creativity (the quality of which can be debated hotly) meant these trucks had interior designs that didn’t age well. ![]() One of the biggest weak spots for the 1988-94 models was the interior. Today you have full suspension upgrade systems for them, four-link and IRS conversions for the rear, brake upgrades, and mechanically everything you need to install just about any powerplant in one short of an old Packard Merlin V12. But those are true no longer.Īftermarket support for the GMT400 series has grown by leaps and bounds. What wasn’t present was strong interest and diverse aftermarket support for anything beyond decorative items and lowering springs and spindles. The basic factors were there large production numbers (literally millions), excellent affordability, factory V8 options and easy to work on. The a-pillars and kick panels also snap right into place.Ask anyone 5-10 years ago, no one would’ve told you the 1988-98 GMT400 series Chevy and GMC trucks would be seeing such a surge in popularity. This means that all parts in the 88-94 style interior WILL fit into the 95-98 interior and visa-versa.ĩ8 dash install: All three bolts on top and the top on bottom line up perfect. Light blue \\ Light Blue \\ POWER +12V Constant (RED/ORANGE)Ī14 - Cruise Control Set Coast Switch SignalĪ15 - Cruise Control Resume / Accel Switch SignalĪ17 - Brake Transmission Shift Interlock Solenoid FeedĬ1 - Ignition Switch Output - OFF,RUN, CRANKĪll parts from 88-98 are interchangable with one and other. Yellow \\ Yellow \\ POWER +12V Ignition (PINK) ![]() Power Door wiring MAN-POWER / POWER-POWERĭRIVER SIDE \\ PASSEGNER SIDE \\ TO TRUCK HARNESS ( Under dash ) ![]()
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