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X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from email2k3.itlnet.net ([64.19.112.12] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 945477 for flyrotary@lancaironline.net; Mon, 16 May 2005 02:25:55 -0400 Received-SPF: none receiver=logan.com; client-ip=64.19.112.12; envelope-from=jwvoto@itlnet.net Received: from rav.itlnet.net (unverified [192.168.10.149]) by itlnet.net (Rockliffe SMTPRA 6.1.17) with SMTP id for ; Mon, 16 May 2005 01:25:09 -0500 Received: from JWVOTO (unverified [64.19.114.35]) by itlnet.net (Rockliffe SMTPRA 6.1.17) with SMTP id for ; Mon, 16 May 2005 01:25:08 -0500 Message-ID: <00f401c559e0$31c57e20$46721340@JWVOTO> From: "Wendell Voto" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] EC2- What am I missing? Date: Mon, 16 May 2005 01:25:43 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00EF_01C559B6.2F7F02A0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 This is a multi-part message in MIME format. ------=_NextPart_000_00EF_01C559B6.2F7F02A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message Subject: [FlyRotary] EC2- What am I missing? EC2 users, I'm finally done with the rewiring. I've replaced all 18 wires from = the EC2 to the PCM and the EM2 with shielded 22g and checked each one = three times for continuity. I still get "nop" from the EM2 (i.e. no = communication with EC2). There seems to be no spark or fuel while = cranking which leads me to think that the EC2 is not triggering the = coils or the injectors on either computer. There's 12v on both the EC2 = power pins, and a good ground on the ground pin. The cold start / = injector disable grounds the cold start pin correctly. The coil disable = functions ground the pins correctly. I'm running out of things to check, = other than check the same things again. I hate to say it, but I'm = beginning to think that the EC2 is dead - but then it was checked as = good by Tracy before he shipped it. I did hook it up when it arrived, = and ran the engine briefly on the B computer. I've no reason to think = this hookup to the old wiring fried the computer since my old computer = checked out good when returned. Yet another check of the wiring = tomorrow, then I'm totally stumped.=20 Could I be missing something obvious? John (how do you spell frustrated?) PS - No jokes Rusty - I'm just not in the mood :) Hi John, Could you have accidentally lost the ground to the coils or some other = ground. I had a similar problem, no spark, nothing. Needed a ground to = my Mazda coils, but I also think that I didn't see any signal at the = injectors either until I had all the required grounds. Has to be = something so obvious that it is easily overlooked. Do what Tracy had me to do, remove the crank angle sensor and pull the = spark plugs, then turn the CAS by hand and watch for spark while holding = a plug to ground(turn the injectors off first, stay clear of prop). Good luck, Wendell=20 ------=_NextPart_000_00EF_01C559B6.2F7F02A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message

Subject: [FlyRotary] EC2- What = am I=20 missing?

EC2 users,

I'm finally done with the = rewiring.=20 I've replaced all 18 = wires from the=20 EC2 to the PCM and the EM2 with shielded 22g and checked each one three times for continuity. I still get = "nop" from=20 the EM2 (i.e. no communication with EC2). There seems to be no spark = or fuel=20 while cranking which leads me to think that the EC2 is not triggering = the=20 coils or the injectors on either computer. There's 12v on both the EC2 = power=20 pins, and a good ground on the ground pin. The cold start / injector disable grounds = the cold=20 start pin correctly. The coil disable functions ground the pins = correctly.=20 I'm running out of things = to check,=20 other than check the same things again. I hate to say it, but I'm=20 beginning to think that the EC2 is dead - but then it was = checked as=20 good by Tracy before he shipped it. I did hook it up when it arrived, = and ran=20 the engine briefly on the B computer. I've no reason to think this = hookup to=20 the old wiring fried the computer since my old computer checked out = good when=20 returned. Yet another check of the wiring tomorrow, then I'm totally = stumped.=20

Could I be missing something=20 obvious?

John (how do you spell=20 frustrated?)

PS - No jokes Rusty - I'm just not in the = mood=20 :)

Hi=20 John,

Could you have = accidentally lost=20 the ground to the coils or some other ground. I had a similar = problem,=20 no spark, nothing. Needed a ground to my Mazda coils, but I also = think=20 that I didn't see any signal at the injectors either until I had all = the=20 required grounds. Has to be something so obvious that it is = easily=20 overlooked.

Do what Tracy had me = to do,=20 remove the crank angle sensor and pull the spark plugs, then turn the = CAS by=20 hand and watch for spark while holding a plug to ground(turn the = injectors off=20 first, stay clear of prop).

Good=20 luck,

Wendell
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