LEETR4A Posted March 31, 2020 Report Share Posted March 31, 2020 (edited) Hi all I am fitting a swirl pot with a low pressure and high pressure fuel pump to my V8 efi conversion. I also want to fit a fuel inertia cut off switch, but not sure which way to do it as I can see four possible options. 1. Wire the switch to the high pressure pump 2. Wire the switch to the low pressure pump 3. Wire both of the pumps through one switch 4. Fit two switches, one for each pump. Which is the recommended method please Cheers Lee Edited March 31, 2020 by LEETR4A Quote Link to post Share on other sites
Chilliman Posted March 31, 2020 Report Share Posted March 31, 2020 I'd have thought both pumps - one swtich, the principal being to isolate all electrical fuel pumping in the event of an impact.... Quote Link to post Share on other sites
Steves_TR6 Posted March 31, 2020 Report Share Posted March 31, 2020 I agree, one switch if you go with a ‘double throw’ switch then you can add a ‘switch tripped’ warning light which can save a lot of head scratching when the car won’t start >... steve Quote Link to post Share on other sites
LEETR4A Posted April 1, 2020 Author Report Share Posted April 1, 2020 Hi guys Thanks for the replies, it does seem to be the logical answer. I already have a switch with the extra connector for a warning light, Just have to alter the wiring and fit it. Both pumps will be individually fused and have their own relay. Cheers Quote Link to post Share on other sites
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