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Re:Speedometer/Fuel Gauge problems
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TOPIC: Re:Speedometer/Fuel Gauge problems
#176434
bushrjackson (User)
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Re:Speedometer/Fuel Gauge problems 5 Years, 5 Months ago  
It's is truely amazing the resources this site has.

Old school...don't fix anything. When you hit reserve, get gas and always go with your gut.

where's my pic....ahhhhh yes there it is.


bushr
 
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#176439
Gram (Admin)
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Re:Speedometer/Fuel Gauge problems 5 Years, 5 Months ago  
ConnerNA wrote:
OK so here is the best I can do for right now (see attached picture).

The red (somewhat) circled area is the part you want to look at.

1. Take gas tank off (3 hex bolts holding instrument housing, bolt in front of the seat, etc)

2. turn gas tank over, on the underside you will see the bottom of the sender unit, remove the 2 screw and work sender unit out of the tank

3. You now want to take the float arm off of the unit (blue piece in picture) the red dot show the area where the keeper is that is holding the arm on.

4. Now that the arm is off you will see the prongs that are attached to the arm (I lightly sanded the ends and then CAREFULLY bent the prongs up.

5. Clean the circuit board on the sender unit that the prongs from the float arm make contact with. I used an eraser.

6. I also flattened out my keeper just a little because mine was worn and not holding the float arm close to the sender unit.

7. put it all back together, and it should start working....I had to leave mine running for a bit because it takes multiple readings and then averages them so it won't start working immediately.


Hope that helps!


Nice work Conner! Thats totally paying it forward

I had a similar problem with my headlight switch (brights worked, normal did not). After troubleshooting all the wiring, found that the switch was not making good contact. Took it apart, polished the contacts, put it back together, viola! All was working again.

Gram
 
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#176476
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Re:Speedometer/Fuel Gauge problems 5 Years, 5 Months ago  
Thanks RIP.
 
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#176498
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Re:Speedometer/Fuel Gauge problems 5 Years, 5 Months ago  
I have a 99 1600, it does the same thing except the gas gauge just doesnt work at all,...when I restart it, it works fine, it only happens from time to time,...and the speedometer does the same, but like with the gas gauge upon restart it works fine, not an everyday thing,..just once in a while, one other question, does everybody else's gas gauge take forever to show full after a fill-up? Or is it just mine?
 
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Last Edit: 2009/03/23 08:58 By madjacker.
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#176518
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Re:Speedometer/Fuel Gauge problems 5 Years, 5 Months ago  
I think the slow read reaction is normal. mine been like that since new
 
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#176524
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Re:Speedometer/Fuel Gauge problems 5 Years, 5 Months ago  
madjacker wrote:
I have a 99 1600, it does the same thing except the gas gauge just doesnt work at all,...when I restart it, it works fine, it only happens from time to time,...and the speedometer does the same, but like with the gas gauge upon restart it works fine, not an everyday thing,..just once in a while, one other question, does everybody else's gas gauge take forever to show full after a fill-up? Or is it just mine?

Mine used to do the same exact thing and is also a 99. My gauge finally went out completely even after trying the method ConnerNA described above but the speedo works perfectly ever since sender unit went out. Maybe you should try Conner's method before it goes out like mine did, just food for thought.
 
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#176539
DocShadow (Admin)
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Re:Speedometer/Fuel Gauge problems 5 Years, 5 Months ago  
dave j wrote:
[quote]Just curious but can someone tell me where the speedo gets it's signal. Is it a cable or a electical sender. If so where is it located. (Either one) I looked at my 07 and there isn't a cable on the front wheel like I expected to find. Never had a reason to look before now. This info might help in the diagnosis of this problem.[quote]

As RIP said it electrical and it's on the lower back side of the engine case.

Doc
 
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#180317
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Re:Speedometer/Fuel Gauge problems 5 Years, 5 Months ago  
hey guys... been quite a while since i've given any replies or request. have a problem with my fuel gauge that started as soon as i re-assembled the tank and instruments plugged back in after i added some flood lamps to my turn signal bar. fuel gauge indicates tank is absolutely full at all times and i am on near empty. no intermitent behavior... just full. did not access any of the wiring harness as i went w/ a direct battery connect via toggle switch activating a relay. have checked all connections and wiring to sender unit under tank. have the grounds to the toggle and the relay direct to negative pole on battery. any ideas????
 
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#180332
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Re:Speedometer/Fuel Gauge problems 5 Years, 5 Months ago  
jomasc wrote:
hey guys... been quite a while since I've given any replies or request. have a problem with my fuel gauge that started as soon as i re-assembled the tank and instruments plugged back in after i added some flood lamps to my turn signal bar. fuel gauge indicates tank is absolutely full at all times and i am on near empty. no intermitent behavior... just full. did not access any of the wiring harness as i went w/ a direct battery connect via toggle switch activating a relay. have checked all connections and wiring to sender unit under tank. have the grounds to the toggle and the relay direct to negative pole on battery. any ideas????

I would start by checking the connections between the speedo and the sender [add dialectic grease to any connections while you are there].Then check for a stuck float with the tank empty since it sounds like you might be getting a full signal constantly.The float is inside the tank and attached to the sender that is attached via 2 screws to the bottom outside of the tank on the petcock side I believe.There is a diagram in Grams post that Conner did in his post above.
It also depends if the tank was full and you emptied some to make it easier to remove when you did your work.In that case it takes some time to recover to the true tank level since the sender takes several readings and averages them together to give you a level.It does it this way to make up for all the sloshing the gas does as you ride...Coug
 
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Last Edit: 2009/04/01 00:01 By Cougar.
 
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#180394
jomasc (User)
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Re:Speedometer/Fuel Gauge problems 5 Years, 5 Months ago  
thanks coug, will check float as suggested if stays at wrong level. this morning upon arriving to work, is now sitting on 1/2 level. have already applied dielectric grease as you suggested, i'm sure they need it and havn't done it yet. may be also that i was a little tooooo impatient... seeing it is back to 1/2 tank level and i didn't realize it averages multiple reading... mark
 
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