The Gear Box

Welcome to the Gear Box!  Please use the message boards for technical questions.


 

joanfenn

2020 Nov 26 13:40:46
Wow hello Fredric, nice to see you again. Happy thanksgiving to you
 

Stripe

2020 Nov 26 12:51:53
Happy Thanksgiving!
 

ClydesdaleKevin

2020 Nov 26 12:26:33
Happy Thanksgiving everyone!!!
 

Oz

2020 Nov 25 01:26:28
Thank you Joan!
 

joanfenn

2020 Nov 25 00:42:41
Have a good and safe one Mark.  We already had ours last month but will be with you in spirit.  And drooling also. 
 

Oz

2020 Nov 24 16:29:55
Happy Thanksgiving everyone!
 

Elandan2

2020 Nov 22 13:31:55
Ah, that's better. Thanks for all the great improvements Mark. :)ThmbUp
 

Oz

2020 Nov 22 05:15:11
You're welcome!
 

TerryH

2020 Nov 22 03:48:06
Yes - seems to be up and running. Missed it while gone. Thanks Mark!
 

Oz

2020 Nov 17 03:32:58
I know, right?  The changes to the site are coming along, but not without its glitches, of course.  Always a learning curve...
 

joanfenn

2020 Nov 16 18:01:10
This one is good also.  Just nice to chat again
 

Oz

2020 Nov 15 13:09:30
 :D
 

joanfenn

2020 Nov 15 02:49:50
I am used to this one, but not to old enough to learn
 

Oz

2020 Nov 15 02:36:28
Do you like this way better, or the balloon box version?
 

Oz

2020 Nov 14 23:02:46
Thank you!   :)clap
 

Oz

2020 Nov 14 23:01:19
Not as compact with the text, but maybe a bit more "fun" and "chatty"?
 

joanfenn

2020 Nov 14 23:01:18
carry on sir, you are doing a great job :)ThmbUp
 

Oz

2020 Nov 14 23:00:29
LOl!  :D
 

joanfenn

2020 Nov 14 22:58:41
yes it is growing on me now :)
 

Oz

2020 Nov 14 22:58:06
I kinda like it.
 

joanfenn

2020 Nov 14 22:57:57
And I wasn't going to say anything but your are special, not odd
 

joanfenn

2020 Nov 14 22:56:46
It will work just have to get used to the layout
 

Oz

2020 Nov 14 22:55:53
Well, I'm odd.  So... yeah, kinda fits just right.
 

joanfenn

2020 Nov 14 22:55:47
Funny layout I mean.  But nice to be able to chat again
 

Oz

2020 Nov 14 22:55:24
Just transitioned to the new portal system.  I have a lot to recreate yet, but it won't take long. How do you like the new chat room?
 

joanfenn

2020 Nov 14 22:54:24
This is odd
 

Oz

2020 Nov 14 22:53:50
Hi Joan!
 

joanfenn

2020 Nov 14 22:52:54
Hello!!

Author Topic: Fuel tank sending unit info needed '75 M300 please.  (Read 91 times)

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Offline MercuryCloud

  • Test Driver
  • *
  • Posts: 3
  • Member since: 2020
  • I own: a Motor Home
  • Year: 1975
  • Make: Winnebago
  • Model: Brave
  • Chassis: Chrysler
  • Engine: 318
Fuel tank sending unit info needed '75 M300 please.
« on: October 28, 2020, 01:39 AM »
Hello I have a 1975 Winnebago Brave with an m300 chassis and I believe it's a 40 gallon steel fuel tank in the front. I removed the back fuel tank and plan to replace it with something different but I want to know what ohms the sending unit is for the one on the front because I removed the whole gauge cluster and tossed it in the trash to build my own and I want to get a fuel gauge instead of using a stick  :) although the stick is accurate.
Each item or accessory in my wiring has its own fuse and toggle switch... so I need to know the ohms to buy the correct aftermarket fuel gauge and also wha minimumt size of fuse to use.
 Thank you.
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Offline Oz

  • Top Post Contributor
  • *
  • Posts: 3551
  • Member since: 2002
  • I own: a Motor Home
  • Year: 1974
  • Make: Winnebago
  • Model: D24 Indian
  • Chassis: Dodge
  • Engine: 440-3
Re: Fuel tank sending unit info needed '75 M300 please.
« Reply #1 on: October 29, 2020, 03:47 AM »
"I want to get a fuel gauge instead of using a stick, although the stick is accurate."
 :D :D :D


Stock Dodge ohm value for gas gauge is 10 ohms (full) to 73 ohms (empty).

Fuse rating = (watts/volts) x 1.25
Say the calculated fuse rating is 2.2679 amps, use a 3 amp fuse. Say the calculated fuse rating is 4.9431 amps, use a 5 amp fuse.
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Offline MercuryCloud

  • Test Driver
  • *
  • Posts: 3
  • Member since: 2020
  • I own: a Motor Home
  • Year: 1975
  • Make: Winnebago
  • Model: Brave
  • Chassis: Chrysler
  • Engine: 318
Re: Fuel tank sending unit info needed '75 M300 please.
« Reply #2 on: October 29, 2020, 11:55 PM »
Hey thanks a lot I really appreciate it!
When I hook up the second tank I might put a three-way switch and use the same gauge for both tanks.. assuming that the second tank will have the same ohms.
So you have an Indian model?
 I think that's the same size as mine only I think the rocker panel is shorter and maybe you have the 5 lugs and there's an extra vent  windows in the back. I think your front grills has more rails in them too.
I know where there's one sitting and it has the 440. I keep my eye on it for when I ever get a muscle car.... the guy's been renting it for the past 20 years and says it'll never move because he likes it as an apartment😄
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Offline Oz

  • Top Post Contributor
  • *
  • Posts: 3551
  • Member since: 2002
  • I own: a Motor Home
  • Year: 1974
  • Make: Winnebago
  • Model: D24 Indian
  • Chassis: Dodge
  • Engine: 440-3
Re: Fuel tank sending unit info needed '75 M300 please.
« Reply #3 on: October 30, 2020, 01:25 AM »
Mine's a '74 D24 Indian.
Using a toggle switch for both tanks is a good idea, as long as you always remember to switch the guage over to the one you're actually using.  Unless you combine the guage selector switch function with the tank selector switch, which would be really nifty.

But, you said you removed the aux tank and are going to use the space for something else...
 Hm?
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