Building a replacement GL1500 Low fuel sensor


Step-by-step tutorials on how to maintain and fix your GL1500
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MikeB
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Re: Building a replacement GL1500 Low fuel sensor

Post by MikeB » Fri Mar 03, 2017 5:42 pm



Oh, that is not good. If it wasn't for your dislike of the OEM system, you could have saved money by getting an OEM replacement sensor. They are less than $60.

Of course, when you do get it all ironed out, you will have the satisfaction of knowing you made a super modification to your fuel sensor system.


MikeB
Tacoma, WA, USA

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Erdeniz Umman
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Re: Building a replacement GL1500 Low fuel sensor

Post by Erdeniz Umman » Tue Mar 07, 2017 12:32 pm

virgilmobile wrote:My 88 low fuel indicator does not work.The thermistor is $40 or so to replace.
Can I do better? Well I'll try..
First problem,the thermistor doesn't work well with LED's.
Second,when working,the warning lamp kinda glows,maybe working,maybe not.Ends up just being annoying.
My solution...A float switch...Magnetic reed switch,and a simple circuit to flash the light.The flashing circuit is just a add-on and not required.
It does however reduce the occasional lamp flash when the low fuel is getting close.
You could use a thermistor from Mouser p/n: 527-2004-1k, with a price of $1.49.

http://www2.mouser.com/ProductDetail/Am ... u6fA%3D%3D

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MikeB
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2003 - GL1800A

Re: Building a replacement GL1500 Low fuel sensor

Post by MikeB » Tue Mar 07, 2017 1:05 pm

Erdeniz Umman wrote: You could use a thermistor from Mouser p/n: 527-2004-1k, with a price of $1.49.

http://www2.mouser.com/ProductDetail/Am ... u6fA%3D%3D
That's true and I have done that. I am pretty sure I have some spare thermistors here somewhere but not 100% sure where they are. I think I ordered 10 each several years ago. I would have looked for them and offered them to Kiptap but he hates the OEM low fuel sensor setup.
MikeB
Tacoma, WA, USA

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kiptap
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Re: Building a replacement GL1500 Low fuel sensor

Post by kiptap » Sun Mar 19, 2017 5:40 pm

kiptap wrote: UPDATE:
OK, I just looked at pricing a new unit and here is my mistake, I purchased a Dorman brand and not an OEM Honda brand, I didn't even think about it honestly. The reviews/complaints are showing a substantial number of failures, about 20%, usually after a month or longer. The complain is "light stays on all the time". I guess I violated the cardinal rule of not buying Honda. So am going to not going to fiddle around with it anymore, I'm just going to get a HONDA unit and swap floats. Expensive lesson.
OK, The final passage in the saga of the low fuel sensor. It works great! I had to replace all of the float unit instead of swapping floats as the Honda float is just a bit smaller and wont fit on the Dorman reed switch shaft. Then I had it mounted too low and ran out of gas after 22 miles. I moved it up a bit and ran out at 41 miles. Good to go for me. Its been in the tank under gas for about two weeks total now and it works great. Just one or two partial activation's while stopping and then its all on and flashing. I got to say that flashing really does raise your anxiety while running for the nearest gas station even with 40 miles left.

So I guess advise to others is to make sure you get an OEM unit or you may have issues. Anyway, I'm super happy with the change over, thanks virgin & admin for the concept.

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curtm
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Re: Building a replacement GL1500 Low fuel sensor

Post by curtm » Sun Jun 10, 2018 3:53 pm

Has anyone used the thermistor from Mouser p/n: 527-2004-1k, with a price of $1.49. method, and would it be ok exposed tp gas or does it require encapsulation
Curt

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Erdeniz Umman
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Re: Building a replacement GL1500 Low fuel sensor

Post by Erdeniz Umman » Sun Jun 10, 2018 4:23 pm

This video may help.





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