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09-13-2006, 04:51 PM
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#1 |
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Registered User
Join Date: Mar 2004
Location: bOZEMAN, MONTANA
Posts: 8
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71 k5 blazer
I have a gas guage that has not worked since I bought the vehicle. when looking at the sending unit i notice that there is just the main wire (1) coming out of the sending unit going back to the fuse box, no ground. my 70 suburban ambulanc has that same wire and then an additional wire that grounds to the bumper. Am I missing a wire or is the sending unit on the 71 k5 ground inside the tank?
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09-13-2006, 04:54 PM
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#2 |
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The LuvShack Garage
Join Date: Jan 2004
Location: Maple Grove, TN (West Side)
Posts: 30,475
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Re: 71 k5 blazer
1st -
 from West TN  2nd - If memory serves on my Blazer, seperate ground wire 
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Owner/Op: "TN Classic Transport Carriers" The Toy: "Square Vette" 72 Hybrid Blazer Toy Barn: "LuvShack" 40 x 60 x 20 Shop Big Piggy: "Goliath" 07 Kodiak C4500 Lil Piggy:"Maddy" 88 Silverado 3500 Hauler: "Feathers" 14 Aluma 8218T |
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09-13-2006, 05:28 PM
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#3 |
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SKINNY TIRES RULE!
Join Date: Sep 2001
Location: Bothell, WA
Posts: 11,049
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Re: 71 k5 blazer
Don't know about the sending unit wire, but welcome from the Pacific NW. Post some pictures of your blazer when you get a chance.
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bouncytruck 1972 K5 The Hauler 1994 K1500 Suburban The Daily2010 Kia Soul Wife's Ride2014 Fiat 500L |
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09-13-2006, 05:36 PM
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#4 | |
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Registered User
Join Date: Oct 2003
Location: Central Vermont
Posts: 8,538
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Re: 71 k5 blazer
Quote:
Nope, should be outside. Welcome from VT. |
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09-14-2006, 05:29 PM
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#5 |
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Registered User
Join Date: Mar 2004
Location: bOZEMAN, MONTANA
Posts: 8
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Re: 71 k5 blazer
Pretty New To The Board, Thanks For The Welcome. I Am Not Sure How To Post Pics Yet But I Will Try To Figure It Out. I Have A 71 K5 Blazer, 70 Suburban Ambulance, 56 Bel Air Wagon, And An 03 Silverado
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09-15-2006, 04:07 AM
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#6 |
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Senior Member
 
Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,188
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Re: 71 k5 blazer
Frame is the negative side. The Tan wire is your fuel gauge sender feed. If you unplug it and the gas gauge pegs to the right, it's not the gauge. Most likely the sender, inside the tank, or the brass float ball on the sender arm.
You will have to drop the tank to get to the sender and/or ball. On my '71 Jimmy, I will have to un-rig a tow hitch crossmember, and unbolt a bulletproof shield around the fuel tank. Since I hav'nt had the time to do all this, I keep a mileage log and make sure I don't go more than 200 miles before filling up again. [20 gallon tank @ 10 MPG]. Good luck. And welcome to the board.
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Every 25 years I like to rebuild that 292, whether it needs it or not. |
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09-15-2006, 09:33 AM
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#7 |
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User #12137
Join Date: Apr 2004
Location: kingsport,upper east tenn
Posts: 11,598
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Re: 71 k5 blazer
look in the FAQ part of the board theres all kinda good info in there
http://67-72chevytrucks.com/vboard/f...splay.php?f=28 heres one on posting pics http://67-72chevytrucks.com/vboard/s...d.php?t=209103 |
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09-16-2006, 08:53 AM
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#8 |
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Registered User
Join Date: Jul 2006
Location: texas
Posts: 56
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Re: 71 k5 blazer
Welcome to the board. I agree with Sunshine, probably in the tank. Only a single wire.
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Retired and working my tail off.. |
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