[C320-list] fuel gauge repeat

Monte B. mjbc60 at sbcglobal.net
Sat Jan 24 11:11:47 PST 2009


5 bucks on the fuel sender. I have already replaced two. Chris has the gouge
on troubleshooting.

Monte
Laima #620

-----Original Message-----
From: c320-list-bounces at lists.catalina320.com
[mailto:c320-list-bounces at lists.catalina320.com] On Behalf Of Chris Burti
Sent: Saturday, January 24, 2009 12:09 PM
To: C320-List at catalina320.com
Subject: Re: [C320-list] fuel gauge repeat

*Testing Fuel Gauges*

 Fuel gauge is a simple ohmeter. Test as follows:

1. Disconnect Pink Sender Wire from Gauge, and turn power ON.
The Fuel Gauge should read ZERO Scale (< Empty)

2. Short the Gauge Sender Terminal to Ground.
The Gauge should read FULL Scale (> Full).

3. Measure resistance of Pink Sender Wire to Ground.
American Floats: 240 Ohms (Empty), 103 Ohms (½ Full), & 33 Ohms (Full)
European Floats: 10 Ohms (Empty), 95 Ohms (Half), & 180 Ohms (Full)
Automotive & other Float Switches may use other resistances such as 0 - 90
Ohm, 73 - 10 Ohm, & etc.

4. Disconnect Pink Wire from Sender on Fuel Tank.

5. Test continuity of Pink Wire.
Zero Ohms from Tank End to Gauge End - If not, repair or replace Wire.

6. Measure Resistance from Sender Terminal (on Tank) to Ground on Tank.
Should read as per (3) above - If not, replace Sender.


On Sat, Jan 24, 2009 at 10:01 AM, <bruceheyman at cox.net> wrote:

> 98% connection, 1.5 gage and .5 sender.  Happy hunting!
> Bruce
> Somerset 671 SoCal
> ------Original Message------
> From: james_delong
> Sender: c320-list-bounces at lists.catalina320.com
> To: c320-list at lists.catalina320.com
> ReplyTo: C320-List at Catalina320.com
> Sent: Jan 24, 2009 06:01
> Subject: [C320-list] fuel gauge repeat
>
> I know this has been discussed before, but I am one of those over 60's
with
> a case of CRS...And it's fun reading this stuff over again anyway.
>
> Fuel gauge...
>
> Worked fine until 6 months ago.  Then worked fine when it had the urge.
> When underway it would register for a time then drop to zero.
>
> Then one time I noticed it had a spasm. The needle jumped all over for 15
> seconds or so then went to zero.  No sign of life since. Died before my
> eyes.
>
> Any ideas with these symptoms?  What % chance is it the connections, %
> chance the sender, or % chance the gauge?  I'll average the responses and
> the highest % will win and I'll attack that component first!
>
> Thanks for all the votes!
>
> Jim DeLong  -  McGeeves  #453
>
>
> Sent via BlackBerry by AT&T




-- 
Chris Burti Farmville, NC




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