What a clear video! Question? Do you just crimp leads to eyes? Or can I get away with solder and not overheat resister?
@hardscrabblegarageАй бұрын
To build the resistor I soldered them together. To mount it behind the gauge it uses nuts that go on the screw terminals, just like the factory ceramic resistor. Hope that helps, and good luck!
@EdgarboppАй бұрын
Very helpful
@hardscrabblegarageАй бұрын
Glad you think so!
@user-vh2kv5zz1z4 ай бұрын
After it was finished did you feel like the notch was cut too far forward?
@hardscrabblegarageАй бұрын
Not at all. The rear end has some forward and back motion, as well as up and down. It moves in an arc defined by the center point of the front leaf spring eye. If you compress the spring as far as you can, the rear axle lines up with the notch - which is the whole point of the notch!
@j0hnathan1965 ай бұрын
Thank you! Great explanation!
@hardscrabblegarage5 ай бұрын
Glad it was helpful!
@user-cn6mu4di9n5 ай бұрын
They there blue and think
@user-yz1tv3jr6s6 ай бұрын
Thank you very much for the repair tip. It helped me a lot with my 1984 GMC K 1500 Stepside. Two resistors for less than €1 and the display works like new. Greetings from Germany
@tantivodessa77124 ай бұрын
Where d id you buy a resistor?
@indorexyggdood53436 ай бұрын
Thank u sir
@hardscrabblegarageАй бұрын
You are most welcome!
@cheeriosdelgado75986 ай бұрын
Mine doesn’t move at all
@hardscrabblegarageАй бұрын
Sorry for the delay. With zero movement it could be lots of things. I'd start with checking the ground connection, and the wire connections on the sending unit itself. Good luck!
@edbeck89258 ай бұрын
Excellent video
@hardscrabblegarageАй бұрын
Thank you very much!
@porterfieldrunfarm10 ай бұрын
Good video!
@cerial041111 ай бұрын
If you remove the clear cover, black plastic, and then screws holding the speedometer in you can remove the cable much easier(through the hole by the headlight switch). Once the speedometer is out the cluster is much easier to remove. When the cluster is back in place you can install the cable then turn the speedometer slightly to line it up with the holes.
@jackmolini7759 Жыл бұрын
What is the issue when a fuel gauge is off??
@femorous Жыл бұрын
Great tips. Maybe you can help me out. I have an 1982 GMC Sierra Classic 1500. I can't switch to the passenger tank as of yesterday. I replaced the switch, nothing. I hooked up a new fuel tank selector valve, nothing. I filled up both tanks and the gauge works perfectly on the driver's side tank. I drove around the gauge drops as usual. I just can't switch to the right side tank. Any help would be appreciated. Thanks!
@deadendskateshop Жыл бұрын
🐺 Thank You
@mlp8500 Жыл бұрын
Good video I got a ? I filled my 85 Pontiac stays on full for 3 day and fuel level drops slowly I’d say bout 1/2 should the gas gauge move from half to full as the gas slushes around?
@duncanpike7925 Жыл бұрын
So something weird is going on, new sending unit, cleaned grounds, but gauge sits at overfull and if I turn on hazards it pulses the needle slightly. Also when I disconnect my sending unit wire from the tank my voltage light just gets more dull (dummy lights). Need help😂
@hardscrabblegarage Жыл бұрын
Well, that really is strange! A couple of things: 1) Test just your meter, out of the truck. Apply the correct voltage... is the meter itself OK? 2) The thing with removing the sending wire affecting the voltage in the whole truck - it sounds almost as if it's trying to use the sending unit ground as the only ground point in the whole truck. With the lights dimming like that, I'd bet another ground is either dirty/rusty or missing. There should be one by the battery to the body, an engine grounding strap somewhere, and depending on model specifics maybe another one or two (gas tank sending unit, etc.). Check and clean all grounds! Also, watch the video again. If the meter sits overfull at 3 o'clock it tells you something.
@duncanpike7925 Жыл бұрын
@@hardscrabblegarage thank you man, I appreciate the time you took to write this! So it seems like the issue was there’s a ground wire on my filler neck that was missing, got a new filler neck and wire and now the gauge seems to be almost accurate. I know I have a tiny bit more than half tank and it’s saying little less than half. So now I’ll do what you said and check the resister that goes on the back of the gauge itself!
@jayscott8177 Жыл бұрын
Very helpful and easy to understand tutorial!! Thank you for sharing your knowledge!
@dgkbeast36 Жыл бұрын
Awesome video and explanation
@charliemelgoza Жыл бұрын
Would be OK to weld It from under
@ernestomontes2843 Жыл бұрын
excelente tutorial. gracias.
@gimmefuel7268 Жыл бұрын
Can’t thank you enough for posting this. 🙏🙏 This info that you provided is truly invaluable!! My truck does the same as what you mentioned that yours did, the fuel needle only goes up to about between 1/4 - 1/2 tank when my tank is full. So I’m assuming that my issue is also the resistor like you mentioned in your video. Thank you again for the video!!
@fivepointohno Жыл бұрын
Nice explanation on making your own resistance.
@trailerparkcryptoking5213 Жыл бұрын
I bought a ‘72 C10 many years ago. The seller told me occasionally the gas gauge quits working properly and he had a magnet stuck to the kick panel and said just take that magnet and touch it to the two leads on the back of the gauge and it will start working correctly. It does happen occasionally and the magnet touched to the back of the gauge does correct it.....Any idea on the theory that is taking place?
@semperfiguy98 Жыл бұрын
Thank you for explaining how everything works. It's really beneficial to have some insight on these symptoms. Even more helpful is that I'm experiencing the same symptoms you described at the very end of the video.
@briizcustoms9543 Жыл бұрын
I’ve got a 1976 Chevy Itasca on a p20 chasis. I can not find out what the green wire is. After I got a new alternator put it my clusters all spin crazily. Any advice?
@19ADAM80 Жыл бұрын
I appreciate this, I want to get a original tach to go in place of the big fuel gauge on mine and put the small fuel gauge where the clock is, anyway if I find them I wish I could ship you my cluster for a rebuild. Thanks again! 👍🏼
@janbill79 Жыл бұрын
I've been study how gauges work on 1986- mid 90's I took apart a speedometer cluster just for study from a 86' olds delta 88 and the back of the cluster looks exactly what your showing. I had never seen anything like that . The harness plug fitting in that recessed slot, and just pushing against the ribbon wire circuit . I guess for the light bulbs. I've replace the 2005 pontiac speedometer and gauges steppers But I guess the older inst. clusters use some round thing, there not steppers and there not soldered. and prob. don't break like steppers either. I'm reading in my factory 90 bonneville service manual. that the gas gauge used, it say's the pointer on the fuel gauge is moved by magnetic fields , of two coil's. the coil's are at right angles to each other. battery voltage is applied to the to the "E" coil ( for empty I guess ) & the circuit divides at the opposite end of the coil . One path continues to gnd through the "F" coil. another goes to gnd through the variable resistor of the fuel gauge sender. when the tank is low the resistance of the sender is low. A large flow of current passes throu the "E" coil and the fuel gauge sender resistor this movesa the pointer towards "E" on the scale.when the tank is full the sender resistance is high. More current flow's through the "F" coil, movin the pointer towards "F"on the scale. Say's with the 2 coils operating the pointer, the gauge is not effected by the changes in the voltages of the system
@hardscrabblegarageАй бұрын
That is exactly as I understand it as well. Since both current paths are using the same system voltage, slight variations don't matter. Because the needle is driven by the differential between those two magnetic fields, rather than an arbitrary reference voltage, when system voltage swings up or down it does so on both coils, which cancels out the variance.
@janbill79Ай бұрын
@@hardscrabblegarage Great explanation thank you
@aaronpies1907 Жыл бұрын
Just whack it off!
@tumor480sm2 жыл бұрын
I had two 1980 Corvettes and 181 and everything is exactly the same there the circuit boards other than my shift lever is in the console but I was surprised to see that the 85 mile an hour speedometer is also on the truck because that's all the Corvettes have. I sent one to ecklers and had to change to the 165 mph speedometer it came back with 7 miles on it for testing purposes. But trying to find the output gear for the speedometer cable it seems that the Corvette models have about 10 different ones you would have to know the exact ratio of that transmission and your rear end to make it work or it's going to be off I got one through Summit and it was about 10 to 15 miles an hour off. If you look it up they have a variety of colors of the little gear that's permanent in the transmission that's where the big difference is at. I tried buying different ones at O'Reilly's they have them they're very reasonable the 200 mph speedometer but you would have to buy an adapter cable from them to put it into the car they're not the same they won't bolt in and then you're going to have trouble with the transmission gear probably not worth your trouble
@hardscrabblegarage Жыл бұрын
Sorry, I have no idea on the speedo gear ratios. Good luck!
@tumor480sm Жыл бұрын
Well what I was mentioning was the Corvette and the replacement speedometers from O'Reilly's they hook up different the cable you'd have to buy a cable but I had an 82 Chevrolet pickup the turn signals were down in the front bumper the only year that it's that way four-wheel drive truck very nice I ended up putting a 454 in it didn't matter about the transmission I could milk the tires after the big engine went in it was modified a little with the RV cam Edelbrock manifold Edelbrock carburetor and a different kind of distributor and it had no smog on it at all the state of Nevada registered that halftime truck as an 8500 lb class truck for 5 years but is the emissions got higher harder rather they wouldn't do it so I sold it off to another County where they did not have emissions and still don't have emissions Nevada has 17 counties only two of them require emissions
@RK-iw8jz2 жыл бұрын
My resistor is red and is measuring 45 ohms. 1985 K5. Confused!
@vgslife96402 жыл бұрын
great vid
@Taylor_in_Southern_Oregon2 жыл бұрын
Brother if you're going to give advice about resistors, you need to learn the difference between watts and ohms. Also, instead of "wiring up a couple in parallel", just use one of the correct resistance.
@hardscrabblegarage2 жыл бұрын
Uh, brother, I used to service fire control radar, troubleshooting to the component level. "Wiring up in parallel" two equal resistors is exactly the same as using a single resistor of half the value. As in EXACTLY the same. Total resistance = 1/R1 + 1/R2 ... +1/Rn. This is like the first thing you learn in a basic electricity class... but thanks for your input.
@trailerparkcryptoking5213 Жыл бұрын
No response?
@tonyzamora35282 жыл бұрын
Where you order them
@raybryngelson73382 жыл бұрын
Very good explanation. I have the pegged gauge scenario and this tells me what is wrong.
@thebfam61912 жыл бұрын
So should I go digital?
@hardscrabblegarage2 жыл бұрын
No! LOLZ. I don't know, man. I like analog, but I'm old. What a boring world it would be if we all had to build the same thing.
@robertdelao92012 жыл бұрын
I have a 1980 C10 Big 10 Silverado, None of my gauges are Working. I purchased a new printed circuit board, everything is grounded and working , new wiring harness, fuses .lights etc..., the gauges are 40yrs old. Do the ceramic resistors go bad ?And if they do. Will they cause the gauges not to work? Also do you know what the part number # for the case ceramic resistors. I would like to purchase some.please advise. Any info would be greatly appreciated. Thank you Robert. One more question, I call lmc and ask them if I purchased new gauges would they have resistors applied to the gauges. They didn't know if they did. Anyway do you know if they do? Thanks again.
@hardscrabblegarage2 жыл бұрын
Keep plugging away at it, you'll eventually get them working. Yes, the ceramic resistors can go bad. And yes, it is possible 40 year old gauges are bad, too! Now, they can also work fine... much depends on condition. Have they been kept dry? Now imagine a truck with a missing window, sitting in a junkyard, open to the elements... different entirely. No idea on the part numbers for the original resistors, sorry. You can Google GM gauge resistors and get many hits, but only a few are links to sellers, and they are often out of stock (which is why I made my own). You should be aware, many repop gauges don't need the resistors at all, it's built-in to the design of the new gauge. This is not always true, but it is often so. If you flip the cluster over and measure voltage on the pins of the gauge, but it does not even move? Likely a bad gauge. Are you sure about the ground being good? It is possible for all of the gauges to fail, but not that common (in the absence of exposure to the elements, flooding, etc.) Good luck!
@nicholaspickard142 жыл бұрын
Great video. Once I had gathered the basic idea of how to circuit works from your video, I was able to repair my non functioning gauge in just a few minutes. Thank you greatly
@jimmydelgado27762 жыл бұрын
Do you have to have all the light bulbs in the sockets or can you leave some out
@csaiz88472 жыл бұрын
Thank you! I will be troubleshooting my gauge sometime this week. It's showing past full right now.
@mblake04202 жыл бұрын
I have a 6.2 cucv d30 (k30 army) would you know if a civilian type cluster would be plug and play to get regular guages instead of idiot lights? I do know I have 2 alternators
@redneck04jeep2 жыл бұрын
I am having an issue can't figure it out my fuel gauge at full goes lil past quarter tank but will go to empty I disconnected the wires at sending unit and it went to full grounded went to empty so replaced the sending unit still same problem gunna pull the fuel gauge today see if that's the problem but I don't have a meter now got damaged when I moved
@squarebodydave2 жыл бұрын
Very helpful thank you!
@randomguy18072 жыл бұрын
Weird question but what the heck… I had my whole dash Cluster apart for a restoration on it and I happened to completely spin the fuel guage needle 360° around while wiping the guage off. Would this change the readings on the fuel level?
@alexalvarez44242 жыл бұрын
Nice job , but for people up there, leaving the bed on, Will decreases time and will keep the frame straight.
@freddypedraza20662 жыл бұрын
my 87 suburban needs this!!
@DE-ok4ld2 жыл бұрын
nice video!
@peteroberts32732 жыл бұрын
Great informative video, one question can this be done with the bed still on, I know it's probably easier with it off, but I'll be working by myself?
@hardscrabblegarage2 жыл бұрын
Sorry for the delay, life has been hectic! I wish I had better news, but it would be really hard to do this with the bed on. That being said, I also work alone, and I removed the bed myself without doing any major damage. Then again, my truck needs full bodywork and paint, so I wasn't risking much. I'm prepping the truck for paint, so I just purchased a gizmo that will allow a solo guy to lift a pickup truck bed with an ordinary cherry-picker type engine hoist. It basically clamps under the bed rails and gives you a lift point centered in the bed. Search for it - you can find it at Eastwood, and Auto Body Toolmart, to name two places I have no affiliate connection with whatsoever. Good luck!
@TexarkanaPrepper2 жыл бұрын
Gauge reads low resistor good float good How go I make sure the instrument cluster is grounded properly
@hardscrabblegarage2 жыл бұрын
The fuel gauge-specific ground mentioned in the video is located on the inner surface of the frame's c-channel, a bit forward of the gas tank. The wire connects the sending unit on one end, to a grounding bolt on the frame a short distance away. At least on 1984 models the wire is black, passes through a hole on the frame, and bolts to the inside surface of the frame. Just disconnect it and clean it up. Afterward you can use a DVM to check the resistance to ground from the ground terminal on the sending unit (one probe on the terminal, the other on any clean, bare-metal part of the frame).