 Carbs and fuel pump relay, my solution |
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| hcdmueller |
 Feb 2 2009, 03:27 PM
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?????????????  Group: Members Posts: 542 Joined: 4-February 06 From: UK Member No.: 5,527 Region Association: England 
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I am running carbs on my 2056 so I performed the simple mod as described by SirAndy in the Tech Articles. One thing I have noticed with my car is that my fuel pump runs continuously with the key switched on. The fuel pump is a rotary one that I bought from the Type4Store.
I didn't like that fact that my pump kept running so I took matters into my own hands. I modified a Bosch CIS fuel pump relay to work with my car. It needs a signal from the negative side of the coil to provide power to the fuel pump. So unless the engine is cranking or running it won't start up the pump. Nice to have the extra safety margin as well. The relays are easy to find in the junk yard. I only paid a couple dollars for 3 of them. Attached image(s) 
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Posts in this topic
hcdmueller Carbs and fuel pump relay Feb 2 2009, 03:27 PM
r_towle Interesting idea.
What are you thinking for the lo... Feb 2 2009, 03:40 PM hcdmueller You can put the original relay back in and the fue... Feb 2 2009, 04:12 PM shane
I am running carbs on my 2056 so I performed the ... Sep 28 2019, 08:17 AM
DickSteinkamp
Was going to hook up my carb fuel pump today off... Sep 28 2019, 09:11 AM shane I do have points, I’m thinking you are correct i... Sep 28 2019, 10:15 AM Tbrown4x4 I have this:
https://www.revolutionelectronics.co... Sep 28 2019, 09:00 AM 913B
I have this:
https://www.revolutionelectronics.c... Sep 28 2019, 12:49 PM SirAndy [quote name='Tbrown4x4' post='2750853' date='Sep 2... Sep 28 2019, 12:59 PM HansJan
I have this:
https://www.revolutionelectronics.c... Oct 9 2019, 10:36 PM hcdmueller Never expected to see this again.
The Bosch CIS ... Sep 28 2019, 10:35 AM mlindner Tbrown4x4, That sounds like a great product, thank... Sep 28 2019, 12:23 PM Ansbacher The Revolution thingy looks OK but a 3 second prim... Sep 28 2019, 04:28 PM DickSteinkamp
The Revolution thingy looks OK but a 3 second pri... Sep 28 2019, 04:29 PM SirAndy The Revolution thingy looks OK but a 3 second prim... Sep 28 2019, 09:23 PM Ansbacher
That means to get at LEAST ten seconds of prime ... Sep 29 2019, 11:05 AM porschetub
That means to get at LEAST ten seconds of prime... Sep 29 2019, 01:42 PM Tbrown4x4
The Revolution thingy looks OK but a 3 second pri... Sep 29 2019, 09:03 AM DickSteinkamp There are (at least) two times you want your fuel ... Sep 29 2019, 10:06 AM shane I had the carter oil pressure safety switch in pla... Sep 29 2019, 02:46 PM  |
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