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Re: hei cap orientation [message #328415 is a reply to message #328379]

Sat, 20 January 2018 20:18

RF_Burns

Messages: 2276
Registered: June 2008
Location: S. Ontario, Canada

Karma:

Senior Member

Trevor,
The 4 wire module on the firewall is the knock sensor interface between the engine knock sensor and the engine control module.

The 7 wire module inside the distributor detects the trigger from reluctor and amplifies the signal for the ECM. It also takes the spark trigger from the ECM and drives the ignition coil.

These drawings for the EBL system might help. From the pin numbers, it looks like TurboCity system used the same GM 7747 ECM

http://www.dynamicefi.com/EBL_Drawings.php

Bruce Hislop
ON Canada
77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
1 ton front end
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
My Staff says I never listen to them, or something like that

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[Message index]

		hei cap orientation By: cadelec on Thu, 18 January 2018 23:10
		Re: hei cap orientation By: Ken Burton on Fri, 19 January 2018 04:25
		Re: hei cap orientation By: cadelec on Fri, 19 January 2018 16:18
		Re: hei cap orientation By: Ken Burton on Fri, 19 January 2018 17:16
		Re: hei cap orientation By: Matt Colie on Fri, 19 January 2018 07:24
		Re: [GMCnet] hei cap orientation By: ljdavick on Fri, 19 January 2018 14:31
		Re: [GMCnet] hei cap orientation By: Ken Henderson on Fri, 19 January 2018 07:34
		Re: [GMCnet] hei cap orientation By: James Hupy on Fri, 19 January 2018 17:39
		Re: [GMCnet] hei cap orientation By: cadelec on Fri, 19 January 2018 23:54
		Re: [GMCnet] hei cap orientation By: USAussie on Sat, 20 January 2018 04:02
		Re: [GMCnet] hei cap orientation By: James Hupy on Sat, 20 January 2018 10:48
		Re: hei cap orientation By: JohnL455 on Fri, 19 January 2018 09:04
		Re: hei cap orientation By: JohnL455 on Fri, 19 January 2018 09:05
		Re: [GMCnet] hei cap orientation By: jimk on Fri, 19 January 2018 13:46
		Re: hei cap orientation By: Ken Burton on Sat, 20 January 2018 11:00
		Re: hei cap orientation By: RF_Burns on Sat, 20 January 2018 11:42
		Re: hei cap orientation By: cadelec on Sat, 20 January 2018 16:08
		Re: [GMCnet] hei cap orientation By: jimk on Sat, 20 January 2018 17:21
		Re: [GMCnet] hei cap orientation By: cadelec on Sat, 20 January 2018 18:42
		Re: [GMCnet] hei cap orientation By: cadelec on Sat, 20 January 2018 19:40
		Re: hei cap orientation By: RF_Burns on Sat, 20 January 2018 20:18
		Re: hei cap orientation By: RF_Burns on Sat, 20 January 2018 20:53
		Re: [GMCnet] hei cap orientation By: jimk on Sun, 21 January 2018 13:30
		Re: hei cap orientation By: cadelec on Tue, 23 January 2018 01:19

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