Chevrolet And GMC 1977 And 1980 C and K Model Fuse Blocks

(The numbers, eg; "UF2" Cargo Area Lamp, are RPO numbers.)

[77 Fuse Box]

  • A - Fuse - Traffic Hazard

  • B - Fuse - Tail, Stop Courtesy Lamps

  • C - Receptacle - TP2 /M40

  • D - Fuse - Radio & TCS

  • F - Receptacle - C91/UF2 (Cargo Area Lamp)/U35/U37

  • G - Fuse - Heater / Air Cond.

  • H - Receptacle - C62

  • I - Fuse - Accessory

  • J - Fuse - Panel Lights
  • K - Receptacle - NL2/A33/U16 (Tachometer)

  • M - Receptacle - Accessory Lamps

  • N - Not Used

  • O - Fuse - Reversing Lamps

  • P - Fuse - Instrument Cluster Feed

  • 1980 


  • A - Choke
  • B - Fuse - Heater / Air Cond.
  • C - Receptacle - Accessory
  • D - Receptacle - Ignition ( key on power)
  • E - Fuse - Auxillary Heater / AC
  • F - Fuse - Instrument Cluster Feed (gauges)
  • H - Fuse - Tail Lights, Courtesy Lamps
  • I - Fuse - Wipers
  • J - Fuse - Horn
  • K - Receptacle - Power Accessories & other Accessories
  • L - Receptacle - Battery (constant power)
  • N - Not Used P - Fuse - Turn Signals, Reversing Lamps
  • R - Fuse - Fuse - Radio & TCS (Idle)
  • X - Receptacle - LOS
  • Z -Fuse - Stop (brake) Lights, Traffic Hazard Flashers
  • Fuse amperages can be found on my Lamp, Fuse, and Bulb Data Page.

    >A well kept secret...............For Automotive Literature it is hard to beat E Bay! GM Factory Service Manuals include full detailed instructions for replacing body panels. Every nut bolt and screw location, torque specs, and a ton more. These books are 2" thick, and often include full wiring diagrams too! Some years the wiring was a supplemental book. Get over to E Bay!

      Click here for eBay Motors!  E Bay Motors - I have gotten many manuals there. Most recently, I picked up a GM 1982 Light Duty Truck Factory Service Manual, which includes a full wiring diagram. I won the bid for $17.00. Back in 1992, at a local swap meet, I paid $30 for the same GM factory Service manual for my 77. The older manuals didn't include wiring. I currently have a bid in myself on a 1977 GM Factory Wiring Manual. The bid is currently $10. I just also won a bid on a 1977 GM Dealer Album. It includes all pricing for all 1977 Chevrolet vehicles, the cost of all options, all the separate optional equipment catalogs (and believe me there are lots) even a brochure for the Blazer Chalet. There are paint chips, and fabric samples. It is jam packed with info. Forget Chilton's, forget Haynes, what you really need, is the GM Factory Service Manual for your GM vehicle. You can also find truck parts as well.

    Factory Service Manuals!

    GM Light Duty Truck Service Manuals cover the following models: C/10, C/20, C/30, K/10, K/20, K/30, P/10, P/20, P/30. (C= 2wd pickups, cab n' chassis, and Blazer / Suburban, K= 4wd pickups, cab n' chassis, and Blazer / Suburban, and the P model line is Chevy Vans. GM considers anything 1 ton or under to be a "Light Duty" vehicle.

    So if you plan on restoring a car or truck, get your hands on a factory service manual, you will not be disappointed!

    Click On A Book

    These are the REAL books you NEED and eBay has them.

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