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  1. 7

    Temp gauge posts? Which is which?

    I need to direct wire this temp gauge, but need to know which post is ground, which is 12 volts, which is temp sensor…? this issue standard’73 - ‘80 something temp gauge. any direction much appreciated!
  2. 7

    'Diesel rattle' in my 350...?

    @Rusty Nail Here are a couple of pics from driving it into the office this morning; just for you :-)
  3. 7

    'Diesel rattle' in my 350...?

    Hey @Rusty Nail... as my old pop's would say "a picture is worth a thousand words"... but that was 40 years ago... what are comparable videos worth? Concerning '7900_Blazer'... I cannot remember why I picked that username. Back almost 20 years ago I had an '86 Jeep CJ, and then upgraded to a...
  4. 7

    'Diesel rattle' in my 350...?

    Water-pump installed after work, 1st drive for it in years… no noise and ran pretty good. thanks for everyone’s help!
  5. 7

    'Diesel rattle' in my 350...?

    Here are two videos… the only difference is taking off the belt. Thanks @Matt69olds #1: https://youtube.com/shorts/89g_78ldlgw?feature=share #2: https://youtube.com/shorts/733GzhI8wkI?feature=share
  6. 7

    Wiring 'factory' gauges 'directly'???

    One of the things that helped me the most was using the continuity feature on my multi-meter and a long 18 gauger wire with two alligator clips. My multimeter has a tone it emits when you have continuity clipping the alligator clip to one end, then cliping the other end to one of the leads on...
  7. 7

    Options for a ‘75 GMC Jimmy grill?

    Thanks for the info... that at least gives me an option. I have a salvage yard grill - clearly though NOT from one of those models so I'd have to fab some mounting hardware.... not too difficult but will take time which I'm running out of.... (have multi-blazer trip planned to the mountains in...
  8. 7

    Wiring 'factory' gauges 'directly'???

    The tach conversion kit on LMC is for '78-'87 - and I think there are some specific models (mine included) for which there are some issues between volts and amps, so I opted not to spend the $300. The $899 (actually $999 now that go look) is for a complete gauge cluster set from LMC (other...
  9. 7

    'Diesel rattle' in my 350...?

    Thanks for your help. Truck probably had some 'old' gas... but I put 10 gallons or so of premium in it the first time I was able to drive it a few miles as a test (4 days or so ago). No, it doesn't 'diesel' when shutting off the engine. Yes, I can grab a video this evening and post the link...
  10. 7

    'Diesel rattle' in my 350...?

    Not sure how to describe the 'rattle' I'm hearing coming from, I believe, the front of the engine at idle - not a consistent rattle. The rattle does not 'come and go'... but also is not consistent - so not something like rubbing as the engine turns.... Again, a bit of backstory... bought the...
  11. 7

    Harmonic Balancer - super weird (at least to me)

    Did I have any issues with my fuel pump 'in context' of replacing the motor mounts? No issues at all - did everything from underneath - slid the old ones out, and the new ones in.
  12. 7

    Wiring 'factory' gauges 'directly'???

    Looks awesome!!!
  13. 7

    Wiring 'factory' gauges 'directly'???

    That's a great question. I really don't like driving without a tachometer, and I don't like the tach's strapped to the column... so I only had two options: 1. spend $899 or so to buy a complete aftermarket gauge cluster 2. or retro-fit mine... - specifically, moving the fuel gauge to where the...
  14. 7

    Options for a ‘75 GMC Jimmy grill?

    As the subject note: I am in need of a 1975 GNC Jimmy grill, but appears nobody makes them any longer. I’ve found ‘73-‘74’s… an later models but no ‘75 grills. it seems the mounting holes are unique for the ‘75 and ‘76??? Anyone here with a solution by chance or options to mount a Chevy grill?
  15. 7

    Wiring 'factory' gauges 'directly'???

    yes, fuel gauge and temp gauge are next to each other. The gauges share a mounting post /screw that holds them into the plastic gauge cluster.
  16. 7

    Wiring 'factory' gauges 'directly'???

    Actually I didn’t get it to work. it’s a ‘75 Blazer; direct wired as described below. Bench testing it. - Drivers side post connected to temp sensor - Opposite side post to 12 volts - Bottom post connected to ground - Second ground connected to the temp sensor itself (to simulate grounding to...
  17. 7

    Wiring 'factory' gauges 'directly'???

    I figured it out… the gauge was bad…
  18. 7

    Wiring 'factory' gauges 'directly'???

    Is there anyone that has the experience and can tell me explicitly how to BENCH TEST a stock GM temp gauge an temp sensor? I have not been able to find a single diagram showing how to do this. specifically I need to know the following: 1. which gauge post is 12+ 2. Which gauge post is for...
  19. 7

    Ticking sound from distributor...?

    Dana 60's are so difficult to come by - at least around here.... I've looked and looked. I finally found one in a salvage yard but out of the 6000 or so vehicles in his yard, the owner didn't want to part that vehicle - so still on the hunt but I'm tired of working on it and want to be able to...
  20. 7

    Ticking sound from distributor...?

    AuroraGirl, It only arc'd like that for a total of probably 5 or 6 minutes... The whole truck is basically pieced together so I'm watching and listening for a lot. As I mentioned in another thread (harmonic balancer issue). I've replaced every body panel, floors; upgrade to a 1 ton axle in...
  21. 7

    Ticking sound from distributor...?

    Fixed… Even though the original coil did not have the ground post adapter, the new coil requires it. Simple fix. Much thanks to @AuroraGirl !!!
  22. 7

    Ticking sound from distributor...?

    The original coil did not have a middle ground post connected to the coil outer edge. The new coil indicated the middle ground post was for ‘early models’, so I did not install the middle ground post. Maybe that’s the problem??? Is that supposed to be installed in a ‘75?
  23. 7

    Ticking sound from distributor...?

    Thanks everyone for your help. I went ahead and replaced all the plug wires… still ticking. I waited till almost dark in hopes of seeing an arc. Took the cover off of the coil to see if I might see anything. Sure enough it is arcing all over place across the coil posts. This is clearly the...
  24. 7

    Ticking sound from distributor...?

    Plug wires ‘look’ good but were on the truck when I bought it. ticking sounds coming from the distributor though… but are you think one or more is shorted at the distributor?
  25. 7

    Ticking sound from distributor...?

    I replaced the coil before ever starting it, ( see the original post) once I saw that shorted wire… still ticks… with the new coil, new distributor cap and new seal… has to be something else.

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