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Re: 3.7 l Roadster advice please [Re: CooperMan] #669429
27/10/20 08:46 PM
27/10/20 08:46 PM
Joined: Aug 2015
Posts: 320
West Dorset
R
rid967 Offline
Learner Plates Off!
rid967  Offline
Learner Plates Off!
R

Joined: Aug 2015
Posts: 320
West Dorset
Cheers Jon.
Appreciate your photos.
Richard


3.7 Roadster
Porsche 964 C2
JCW Mini Cooper S Cab
BMW F750GS
+4 4 1995-2002 / LM 62 +8 2002-07
Re: 3.7 l Roadster advice please [Re: John V6] #669436
27/10/20 09:04 PM
27/10/20 09:04 PM
Joined: Feb 2016
Posts: 4,057
East Harling, Norfolk UK
RichardV6 Offline
Part of the Furniture
RichardV6  Offline
Part of the Furniture

Joined: Feb 2016
Posts: 4,057
East Harling, Norfolk UK
Great result on buzzer John.

Don't know if you saw the discussion on the fuel tank thread, but during posts I discovered our cars have dedicated separate ground/chassis connections for the micro-processor read fuel sensor circuit as well as dedicated +12 volt feed. This to alleviate the adverse effects of minute voltage drop in the cable from other devices pulling current through a shared circuit, particularly a ground connection (one contributor was having gauge changes when sidelights turned on).

It occured to me this would have been checked by B & C but should you have any issues in the future worth bearing in mind.

First came across this on external smart alternator controllers. There were two similar gauge black ground wires and instructions stipulated they had to remain separate although could be attached to the same grounding point. Reason was one carried the full field control return current whilst the other was the battery voltage sense return carrying no current.


Richard

2018 Roadster - Red/Magnolia - "Morton"
1966 Land Rover series 2a SWB
1960 Velocette Venom
Re: 3.7 l Roadster advice please [Re: John V6] #669440
27/10/20 09:57 PM
27/10/20 09:57 PM
Joined: Jul 2007
Posts: 20,734
Suffolk
John V6 Offline OP
Brooklands Register contact
John V6  Offline OP
Brooklands Register contact
Member of the Inner Circle

Joined: Jul 2007
Posts: 20,734
Suffolk
Well today the gauge has performed well. Thanks for the heads up. See you fomorrow


JohnV6
2014 Brooklands Edition Roadster "Brookland's Belle" #5 of 50
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