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Username Post: Gas Sending Unit Wiring Question        (Topic#357964)
belairbob50 
Contributor
Posts: 343

Loc: OH where rust never sleep...
Reg: 03-17-13
09-07-19 07:24 PM - Post#2775020    

Does anyone have a photo of the wire from the harness going to the grommet in the floor for the gas sending unit? Does it just lay on the trunk floor or lay on the floor above the rear axel? Thanks



 


40grit 
Contributor
Posts: 546
40grit
Age: 74
Loc: Chattanooga, Tn
Reg: 07-08-13
09-08-19 02:03 AM - Post#2775030    
    In response to belairbob50

Bob, I think (not sure) it runs to the rear of the car with the license plate light wire and the runs back over the top of the tank to the sender. That has been my plan for mine anyway.

John

Just Slightly Abrasive


 
RAM_51 
"3rd Year" Silver Supporting Member
Posts: 5330
RAM_51
Loc: Yakima, WA. USA
Reg: 12-28-02
09-08-19 07:16 AM - Post#2775041    
    In response to belairbob50

This is an example of a '51 Fleetline. Not sure if a '50 Belair would be much different; not sure if they ran the wiring in the roof rail as in closed bodies or along the rocker as they did in the convertibles. The wire goes past the package tray and is clipped on the pinch weld directly behind the back seat and to the spade connector before going through the floor...again, very near the rear of the back seat. The additional wire you see is for the accessory turn signals.

Attachment: 1951_Fleetline_Fuel_Sending_Unit_Wiring_1.jpg (2.97 MB) 1 View(s)




Attachment: 1951_Fleetline_Fuel_Sending_Unit_Wiring_2.jpg (3.07 MB) 2 View(s)




Attachment: 1951_Fleetline_Fuel_Sending_Unit_Wiring_3.jpg (2.87 MB) 1 View(s)




1951 Fleetline
'51 Fleetline DeLuxe 2 DOOR SEDAN (Fathom Green)
'51 Styleline Special BUSINESS COUPE (Shadow Gray)
'53 6500 Dump Bed (Oxidized Red)
'50 Styleline DeLuxe 4 DOOR SEDAN (Mist Green)


 
kensluys 
"13th Year" Silver Supporting Member
Posts: 1351
kensluys
Loc: Bellingham, WA, USA
Reg: 04-18-01
09-08-19 03:18 PM - Post#2775062    
    In response to belairbob50

Here's a photo of my 1951 Bel Air's trunk. The wiring goes over the rear wheel well, then routes over to the pigtail that comes up through the grommet. There are a few metal clips in the floor of the trunk that bend over the wire to hold it in place.





Attachment: Trunk_3.jpg (282.51 KB) 0 View(s)

1951 Bel Air - January build date.


 
belairbob50 
Contributor
Posts: 343

Loc: OH where rust never sleep...
Reg: 03-17-13
09-08-19 06:40 PM - Post#2775089    
    In response to kensluys

The Hardtop and the Convertible run the wire harness under the door sill plate and up the wheel housing into the trunk. I ran the sending wire through the brace above the wheel housing and went to the hole in the floor just below the package tray. Now that I have seen Ken's photo, I just might run the rest of the wires behind the gas filler tube. Thanks everyone for their input. Sure makes my job of putting this puzzle back together a lot easier.

[image]https://[/image]



 
RAM_51 
"3rd Year" Silver Supporting Member
Posts: 5330
RAM_51
Loc: Yakima, WA. USA
Reg: 12-28-02
09-08-19 06:53 PM - Post#2775090    
    In response to belairbob50

I was looking at this in the morning when I posted. The image is from the 1949 Fisher Body Service Manual. Since 1950 is when the Belair was introduced, we do not have the privilege of seeing a GM illustration of that particular body style. I wasn't sure if he Belair and Convertible were done the same. Ken's Belair certainly looks like a good original example.

Attachment: Wiring_Harness_1949_Chevrolet_Converible.jpg (696.49 KB) 4 View(s)




1951 Fleetline
'51 Fleetline DeLuxe 2 DOOR SEDAN (Fathom Green)
'51 Styleline Special BUSINESS COUPE (Shadow Gray)
'53 6500 Dump Bed (Oxidized Red)
'50 Styleline DeLuxe 4 DOOR SEDAN (Mist Green)


 
kensluys 
"13th Year" Silver Supporting Member
Posts: 1351
kensluys
Loc: Bellingham, WA, USA
Reg: 04-18-01
09-09-19 05:47 PM - Post#2775190    
    In response to belairbob50

I think RAM51's right about the wiring in my 1951 being original (at least when I took that picture). But looking at the 1949 wiring information, and the way Bob ran his wiring, I have to say I like it better the way it was done then. It seems to expose less wire to the potential of chafing under the trunk mat.

I ran my new wiring just as I'd found the old wires, and will probably leave it that way since it doesn't get a lot of stuff put on top of the mat.

1951 Bel Air - January build date.


 
40grit 
Contributor
Posts: 546
40grit
Age: 74
Loc: Chattanooga, Tn
Reg: 07-08-13
09-09-19 09:01 PM - Post#2775207    
    In response to kensluys

Now you guys have me wondering if my memory is playing tricks on me.

One thing is for sure, it won't care how it is run as long as it is protected from sharp edges and abrasion.

John

Just Slightly Abrasive


 
belairbob50 
Contributor
Posts: 343

Loc: OH where rust never sleep...
Reg: 03-17-13
09-10-19 07:30 PM - Post#2775292    
    In response to 40grit

John, I am trying to restore my car back to how it came out of the factory. But I sometimes change things to improve the situation. I only want to do it once. This is that time. I ran the sending unit wire in a place that is protected. I do not want to have something heavy crack the plastic terminal conector block even though the wire will be under a trunk mat. This is what I ended up doing. The only curve throw at me was when my body guy installed the new wheel housing, he tacked the wire clip about 4 inches toward the trunk. Now it is not usable. So I used an alternative - Gorilla Tape. Since the wire will be behind the trunk card boards anyway, I think the wires are protected.

[image]https://[/image]



 


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