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    Brights pop fuse

    Hello. I completed a wiring harness on my 1977 K10, and an now trying to figure out all the little small mistakes and gremlins I made during. I got the fuel pumps handled, but am now having an issue with the headlights. Both headlights are new. The headlight sockets are new, as is the dimmer...
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    Cracking back into the column

    I finished a complete rebuild of my column last year and reinstalled. Everything was working fine, and tested, albeit not while running, to make sure my new shift linkage engaged my Trans properly. Fast forward to today - my wiring harness is finally finished, so I'm trying to start her up, but...
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    Daisy chaining grounds?

    I'm currently rewiring my 77 K10 completely, and have started to make sure all the grounds are good. I've installed a few ground lugs at a few places. One at the driver side fender, one on passenger side frame and another at the frame towards the rear. I'll be installing another shortly behind...
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    Neutral safety switch connector

    I am finishing up a Painless harness on my 77 K10. I've been working on the cab interior wiring, but cannot get the neutral safety switch connector from the harness to connect. I replaced the switch itself with a brand new one when I rebuild my column earlier this year. It looks like there's a...
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    Painless kit 90627 - wire 901

    This is probably a long shot but thought I might ask here. I'm in the middle of a wiring harness, and not at the point where I can check with a test light or meter. This wiring kit has wore 901 labeled as "relay activation/ acc power (ign)" Does anybody know if this wire provides 12v during...
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    Broken shift tube?

    I recently finished a complete rebuild of my 77 tilt column. See thread here for pictures https://www.gmsquarebody.com/threads/what-are-these-parts-called-and-where-can-i-find-them.39213/ During the reassembly, I had issues with the shift column collapsing on itself whenever I tried to tap it...
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    What are these parts called, and where can I find them?

    I got distracted and sidetracked from my complete re-wire, and replacing my turn signal switch has now turned into a full blown steering column rebuild. I already have most of the parts I need, and the remaining parts I get back from the sandblaster tomorrow. There are a few things that I still...
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    What to do about bent up dash cross braces?

    Hey all. I'm in the beginning stages of a complete wiring harness replacement, and will be purchasing either the Dakota Digital or Autometer Invision gauge setup, along with new wiper switch, headlight switch, etc. After I bought this truck a few years back, I ripped out all the gauges that...
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    Wiring Harness journal

    Hey all. I'm starting on my complete rewire as of yesterday. I thought it'd be interesting to share progress and keep a little journal, so here's the first entry. 77 K10 that was bought a few years back and I've been slowly fixing up. For Christmas I asked for a Painless kit, and I've been...
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    Best aftermarket gauges for Pro Flo?

    Good morning all. Getting ready in a month or so to completely rewire my 77 K10, and I want to install a new gauge system at the same time. I'm looking for something that works with an Edelbrock Pro Flo 4 system. The Dakota Digitals are nice, but I think I'd rather have something a little more...
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    Hydro boost install not working

    Hey all. Just finished up with my hydroboost install. Something's not right and I can't quite figure out where I went wrong. The brakes are even worse than when I started - when in gear, I have to put all of my 220 pounds on the brake just to stop in idle. The old vac booster was removed and I...
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    Help selecting a few items

    Time for this years project - completely revamping the brakes on my 77 K10. I was hoping for some help in selecting a few kits. Budget is between 3 and 4k I’m going to be swapping to a Hydroboost system and have this one picked out - thoughts...
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    Fuel tank mounting brackets

    I am in the process of replacing my dual fuel tanks, and ordered some new mounting brackets and straps from brothers. I noticed that the brackets on the passenger side don't line up with the bolt holes, whereas the old does. This is the front passenger side only - the rear passenger lines up...
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    TV cable and bracket help

    I've been reading about the 700R4 trans and how important it is to have the TV cable properly lined up and adjusted. After looking at a few pictures, mine doesn't look right. I was hoping somebody could help me and let me know how I should fix this. I wouldn't mind just buying a new TV cable...
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    Help with instrument cluster - 77 K10

    I am trying to buy a new printed circuit board for my 77 K10. I had LMC Truck email me a picture of the boards they have for 77, but it doesn't match up to what I have. I found a number on my old board, and Googling brings this up, which is exactly what mine looks like...
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    Trying to fix up dual tank fuel system

    I bought a 77 K10 a few weeks ago, and decided I want to start fixing it up slowly. The main issue I've been having is a fuel delivery problem, which I think I've solved with a new fuel pump. The fuel gauge does not work, and I think that's the next issue I want to tackle. The truck has dual...

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