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Re: EFI and Electronic Ignition Initial Start Up Questions [message #367948 is a reply to message #367945]

Sat, 11 December 2021 11:00

Bill Van Vlack

Messages: 419
Registered: September 2015
Location: Guemes Island, Washington

Karma:

Senior Member

RF_Burns wrote on Sat, 11 December 2021 07:58

IF you have the EBL upgrade, all that is required to pulse the injectors is pulses from the distributor. I asked this question to BobR of DynamicEFI while remotely troubleshooting another GMCer's issues and this was his response:

> Can you advise me the input signal requirements that must be met for the EBL to start firing the injectors during startup.

>>All that is required is the distributor reference pulses (DRPs). The crank signal is not required, that just lets the ECM know when to test the fuel pump relay.

Good to know for certain; thanks Bruce! Do you know what the fuel pump relay test is? I suppose it tests for fuel pump relay power on pin B2 while cranking for diagnostics.

Bill Van Vlack '76 Royale; Guemes Island, Washington; Twin bed, full (DS) side bath, Brazilian Redwood counter and settee tops,455, 6KW generator; new owner a/o mid November 2015.

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[Message index]

		EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Wed, 08 December 2021 18:46
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Bill Van Vlack on Wed, 08 December 2021 20:28
		[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions By: jimk on Wed, 08 December 2021 22:43
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Thu, 09 December 2021 06:48
		[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions By: Keith V on Thu, 09 December 2021 10:07
		Re: EFI and Electronic Ignition Initial Start Up Questions By: RF_Burns on Thu, 09 December 2021 10:40
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Thu, 09 December 2021 10:42
		[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions By: James Hupy on Thu, 09 December 2021 12:00
		Re: EFI and Electronic Ignition Initial Start Up Questions By: rvanwin on Thu, 09 December 2021 12:30
		Re: EFI and Electronic Ignition Initial Start Up Questions By: rvanwin on Thu, 09 December 2021 12:44
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Thu, 09 December 2021 13:32
		[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions By: Dave Stragand on Thu, 09 December 2021 13:57
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Thu, 09 December 2021 15:37
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Bill Van Vlack on Thu, 09 December 2021 15:56
		[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions By: James Hupy on Thu, 09 December 2021 15:59
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Thu, 09 December 2021 16:57
		[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions By: James Hupy on Thu, 09 December 2021 17:08
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Thu, 09 December 2021 17:48
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Bill Van Vlack on Thu, 09 December 2021 18:30
		[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions By: jimk on Thu, 09 December 2021 18:21
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Thu, 09 December 2021 19:02
		Re: EFI and Electronic Ignition Initial Start Up Questions By: RF_Burns on Thu, 09 December 2021 19:29
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Thu, 09 December 2021 19:40
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Bill Van Vlack on Thu, 09 December 2021 21:00
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Fri, 10 December 2021 08:20
		[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions By: sgltrac on Fri, 10 December 2021 10:06
		[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions By: jimk on Fri, 10 December 2021 10:08
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Fri, 10 December 2021 10:47
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Bill Van Vlack on Fri, 10 December 2021 11:45
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Biggamehunter on Fri, 10 December 2021 13:58
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Fri, 10 December 2021 14:16
		[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions By: jimk on Fri, 10 December 2021 17:29
		[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions By: sgltrac on Sat, 11 December 2021 01:20
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Biggamehunter on Fri, 10 December 2021 16:35
		Re: EFI and Electronic Ignition Initial Start Up Questions By: RF_Burns on Fri, 10 December 2021 18:38
		Re: EFI and Electronic Ignition Initial Start Up Questions By: RF_Burns on Sat, 11 December 2021 07:58
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Bill Van Vlack on Sat, 11 December 2021 11:00
		Re: EFI and Electronic Ignition Initial Start Up Questions By: RF_Burns on Sun, 12 December 2021 08:42
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Sat, 11 December 2021 13:45
		[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions By: jimk on Sat, 11 December 2021 13:52
		[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions By: jimk on Sat, 11 December 2021 13:52
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Sat, 11 December 2021 14:17
		Re: EFI and Electronic Ignition Initial Start Up Questions By: kingd on Sat, 11 December 2021 17:27
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Bill Van Vlack on Sat, 11 December 2021 18:43
		[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions By: James Hupy on Sat, 11 December 2021 18:35
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Sat, 11 December 2021 19:51
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Sat, 11 December 2021 19:54
		[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions By: James Hupy on Sat, 11 December 2021 19:58
		Re: EFI and Electronic Ignition Initial Start Up Questions By: RF_Burns on Sat, 11 December 2021 22:13
		Re: EFI and Electronic Ignition Initial Start Up Questions By: RF_Burns on Sun, 12 December 2021 08:31
		Re: EFI and Electronic Ignition Initial Start Up Questions By: Tom Katzenberger on Sun, 12 December 2021 12:27
		Re: EFI and Electronic Ignition Initial Start Up Questions By: jhbridges on Sun, 12 December 2021 17:28

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