Thought I fixed it, but apparently I didn't - The 1947 - Present Chevrolet & GMC Truck Message Board Network

5150 · 02-04-2006, 02:00 PM

Well, I had to put on a new starter yesterday and put it on and was still having a starting/electrical problem. Drove it up to Advance and they tested the battery and it was bad. This isn't what I'm pissed about last week I thought I fixed my fuel gauge. I was driving to Advance and the fuel gauge just started going to full-problem is it didn't stop there. It went all the way to 3:00.

I've went back and looked at all my posts about this damn thing and I can't find anything that related to THIS.

Mongo · 02-04-2006, 02:23 PM

sounds like your sending unit is going south. or maybe you need one of them new resistor kits for the gauge.

5150 · 02-04-2006, 02:26 PM

That's just it I just bought a fix-a-gauge resistor for the fuel and put a different printed circuit board. It takes me forever to finally get the damn needle to budge and finally when it does it won't stay still!!!!!

69TowRig · 02-04-2006, 02:27 PM

If either of the connections (the ground or the signal) become disconnected from the sender then the gauge pegs out like that. Make sure all the connections are good and tight.

From what I understand the fix-a-gauge is only for the 1/8th= empty, 1/2 = full gauge fix.

I just went through fixing my sending unit last week. What most people would have thrown out I repaired and it is working great. The tiny wires inside the unit had a broken turn and the grounds inside the sender were all corroded. You may want to pull the sender apart and burnish all the contacts and grounding points. It made mine rock-steady and didn't cost me anything but time.

5150 · 02-04-2006, 06:08 PM

Well, pulled off the wire and turned on the key and the gauge went to 3:00 so I guess that means it's the sender.

What's the odds that the resistor and the sender would be the problem?

69TowRig · 02-04-2006, 07:42 PM

*EDITED* I had a brain-fart and screwed up the suggestion. I fixed it now.

Do this first, take the lead from the sender (at the tank end) and ground it out with a jumper to something solid on the truck. The guage should then go to "empty". If it does, the problem is at the sender and not the resistor. Double-check the ground for the sender too, jumper from the sender ground tab to the same solid grounding point on the truck.

Man I hate it for you. I had a myriad of electrical issues, and spent about 2 months tracking most of them down at the end of last year. After unplugging and plugging every harness, plug, etc, using silicone dielectric grease on every connection, replacing numerous fuses and bulbs, a switch here and there, I finally have a solid electrical system. The tank sender issue was the last one I tackled, and I only did that last weekend.

LUV2XCLR8 · 02-04-2006, 07:44 PM

Damn Brian, you are having rotten luck, maybe you should have bought a Gremlin

5150 · 02-04-2006, 11:26 PM

You say that like you know ones for sale?

Maybe I'll take you up on it, where is it?

02-04-2006, 02:00 PM	#1
5150 C10 Club Tennessee Join Date: Mar 2003 Location: White House, TN 37188 Posts: 8,281	Thought I fixed it, but apparently I didn't Well, I had to put on a new starter yesterday and put it on and was still having a starting/electrical problem. Drove it up to Advance and they tested the battery and it was bad. This isn't what I'm pissed about last week I thought I fixed my fuel gauge. I was driving to Advance and the fuel gauge just started going to full-problem is it didn't stop there. It went all the way to 3:00. I've went back and looked at all my posts about this damn thing and I can't find anything that related to THIS. __________________ Bryan www.gmtruckshow.com Project "Andes"-Halen's First Truck Project: Patina Burb for he is God’s servant for your good. But if you do wrong, be afraid, for he does not bear the sword in vain. For he is the servant of God, an avenger who carries out God’s wrath on the wrongdoer. Romans 13:4

02-04-2006, 02:23 PM	#2
Mongo YES_____NO Join Date: Jul 1999 Location: Somewhere in the vicinity of betelgeuse Posts: 7,351	Re: Thought I fixed it, but apparently I didn't sounds like your sending unit is going south. or maybe you need one of them new resistor kits for the gauge. __________________ People many not remember what you said or what you did, but they will remember the way you made them feel. - unknown Cause, remember: no matter where you go... there you are. - Buckaroo Banzai 1984 Help support the board

02-04-2006, 02:26 PM	#3
5150 C10 Club Tennessee Join Date: Mar 2003 Location: White House, TN 37188 Posts: 8,281	Re: Thought I fixed it, but apparently I didn't That's just it I just bought a fix-a-gauge resistor for the fuel and put a different printed circuit board. It takes me forever to finally get the damn needle to budge and finally when it does it won't stay still!!!!! __________________ Bryan www.gmtruckshow.com Project "Andes"-Halen's First Truck Project: Patina Burb for he is God’s servant for your good. But if you do wrong, be afraid, for he does not bear the sword in vain. For he is the servant of God, an avenger who carries out God’s wrath on the wrongdoer. Romans 13:4

02-04-2006, 02:27 PM	#4
69TowRig Senior Member Join Date: Jan 2005 Location: Raleigh, NC Posts: 894	Re: Thought I fixed it, but apparently I didn't If either of the connections (the ground or the signal) become disconnected from the sender then the gauge pegs out like that. Make sure all the connections are good and tight. From what I understand the fix-a-gauge is only for the 1/8th= empty, 1/2 = full gauge fix. I just went through fixing my sending unit last week. What most people would have thrown out I repaired and it is working great. The tiny wires inside the unit had a broken turn and the grounds inside the sender were all corroded. You may want to pull the sender apart and burnish all the contacts and grounding points. It made mine rock-steady and didn't cost me anything but time. __________________ -Chris Building a stripper, one part at a time: 1969 K5, 307, 3spd, 3 seats, hard top. Added Pwr Discs, Pwr Steering, Aux Battery, T-case Skid, Lighted Sidemarkers, HEI, Lock-Right Diff, ECE Class IV Hitch, 32" MT/Rs. Parts to Install: Hand Throttle, Console, Tow Hooks, Dual Horns, AM-FM, Dealer Swing-Away Tire Carrier, Gas Tank Skid. Also building a 1950 Willys CJ-3A and off-roading a 2001 Nissan Frontier on 1-Ton Portals... Last edited by 69TowRig; 02-04-2006 at 02:29 PM.

02-04-2006, 06:08 PM	#5
5150 C10 Club Tennessee Join Date: Mar 2003 Location: White House, TN 37188 Posts: 8,281	Re: Thought I fixed it, but apparently I didn't Well, pulled off the wire and turned on the key and the gauge went to 3:00 so I guess that means it's the sender. What's the odds that the resistor and the sender would be the problem? __________________ Bryan www.gmtruckshow.com Project "Andes"-Halen's First Truck Project: Patina Burb for he is God’s servant for your good. But if you do wrong, be afraid, for he does not bear the sword in vain. For he is the servant of God, an avenger who carries out God’s wrath on the wrongdoer. Romans 13:4

02-04-2006, 07:42 PM	#6
69TowRig Senior Member Join Date: Jan 2005 Location: Raleigh, NC Posts: 894	Re: Thought I fixed it, but apparently I didn't EDITED I had a brain-fart and screwed up the suggestion. I fixed it now. Do this first, take the lead from the sender (at the tank end) and ground it out with a jumper to something solid on the truck. The guage should then go to "empty". If it does, the problem is at the sender and not the resistor. Double-check the ground for the sender too, jumper from the sender ground tab to the same solid grounding point on the truck. Man I hate it for you. I had a myriad of electrical issues, and spent about 2 months tracking most of them down at the end of last year. After unplugging and plugging every harness, plug, etc, using silicone dielectric grease on every connection, replacing numerous fuses and bulbs, a switch here and there, I finally have a solid electrical system. The tank sender issue was the last one I tackled, and I only did that last weekend. Last edited by 69TowRig; 02-04-2006 at 08:20 PM.

02-04-2006, 07:44 PM	#7
LUV2XCLR8 The LuvShack Garage Join Date: Jan 2004 Location: Maple Grove, TN (West Side) Posts: 30,468	Re: Thought I fixed it, but apparently I didn't Damn Brian, you are having rotten luck, maybe you should have bought a Gremlin __________________ Owner/Op: "TN Classic Transport Carriers" The Toy: "Square Vette" 72 Hybrid Blazer Toy Barn: "LuvShack" 40 x 60 x 20 Shop Tow Piggy:"Maddy" 88 Silverado 3500 Hauler: "Feathers" 14 Aluma 8218T

02-04-2006, 11:26 PM	#8
5150 C10 Club Tennessee Join Date: Mar 2003 Location: White House, TN 37188 Posts: 8,281	Re: Thought I fixed it, but apparently I didn't You say that like you know ones for sale? Maybe I'll take you up on it, where is it? __________________ Bryan www.gmtruckshow.com Project "Andes"-Halen's First Truck Project: Patina Burb for he is God’s servant for your good. But if you do wrong, be afraid, for he does not bear the sword in vain. For he is the servant of God, an avenger who carries out God’s wrath on the wrongdoer. Romans 13:4

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