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Popping ECM fuses #843033 10/22/07 12:54 PM
Joined: Oct 2001
Posts: 4,016
strawmyers Offline OP
Isuzu Moderator
The Amigo just randomly died on the highway. Some trouble shooting revealed a blown ECM fuse. New fuse allowed it to go another 40 feet before popping that one as well. The engine is getting fuel when cranking; but no spark. I swapped the coil with a known working one and it had no effect. I suspect a grounded wire somewhere (electrical problems <img src="/forums/images/graemlins/scared.gif" alt="" /> ) I'm going to start more in-depth trouble shooting this week; just wanted to make a quick post before leaving for work to see what others can come up with until that time. <img src="/forums/images/graemlins/confused.gif" alt="" />


Sean Strawmyer
Back and ready to rock...... crawl.

From Indiana or surrounding states and interested in wheelin'? Check out www.mwior.com

Re: Popping ECM fuses [Re: strawmyers] #843034 10/22/07 01:35 PM
Joined: Aug 2002
Posts: 3,007
Richard Saylor Offline
Roll Me Over
*****
I had this happen in my old pickup. Turned out to be that the wire harness that goes to the vacuum switching valve grounded out. Burned up the end of the harness to it. No clue how/why that happened, but it was the same symptoms you're talking about. I ended up having to just keep trying fuses since I was stuck on the side of the road. Finally got it home ... I guess the wire moved enough to quit grounding out. Ever since then I kept a box full of fuses, lol.

Richard <img src="/forums/images/graemlins/patriot.gif" alt="" />


Had an 89 Isuzu Pickup
Had a 94 Mitsubishi Eclipse
84 Honda XL185S
Had an 89 Isuzu Trooper w/ 3.4 V6
01 Toyota Tundra SR5 V8 4Door Access Cab
http://community.webshots.com/user/rsayloriii
Re: Popping ECM fuses [Re: Richard Saylor] #843035 10/24/07 03:32 AM
Joined: Oct 2001
Posts: 4,016
strawmyers Offline OP
Isuzu Moderator
Tried to do some investigating today; but it started up fine and ran for 10 minutes without blowing a fuse (sporatic electrical issues <img src="/forums/images/graemlins/rolleyes.gif" alt="" /> ). I wiggled every wire I could find under the hook with no success recreating the issue. Don't really feel confident driving it to work until I know what is wrong and that it won't randomly pop back up when I'm on my way to somewhere important.


Sean Strawmyer
Back and ready to rock...... crawl.

From Indiana or surrounding states and interested in wheelin'? Check out www.mwior.com

Re: Popping ECM fuses [Re: strawmyers] #843036 10/24/07 11:30 AM
Joined: May 2002
Posts: 1,541
jezeric Offline
Isuzu Moderator
Apparently you have one of the rare English Amigos Sean. You ought to rejoice in the collector's value of such an uncommon vehicle... <img src="/forums/images/graemlins/pfft.gif" alt="" />
<img src="/forums/images/graemlins/lol.gif" alt="" />

James

Re: Popping ECM fuses [Re: jezeric] #843037 10/25/07 02:15 AM
Joined: Oct 2001
Posts: 4,016
strawmyers Offline OP
Isuzu Moderator
I was going to make a joking comment about it being a Land Rover Amigo... then I remembered those actually exist (sort-of):

[Linked Image]


Sean Strawmyer
Back and ready to rock...... crawl.

From Indiana or surrounding states and interested in wheelin'? Check out www.mwior.com

Re: Popping ECM fuses [Re: strawmyers] #843038 10/30/07 03:02 AM
Joined: Oct 2001
Posts: 4,016
strawmyers Offline OP
Isuzu Moderator
I don't know what this means (if anything); but the Amigo has died 5 times so far and 3 of the 5 times were during hard left turns. I am driving it with a bandaid fix for now. I replaced the ECM fuse with a 15A breaker fuse that automatically resets. So I'm driving, it dies, then I just restart it and continue driving. If history is any indication, this bandaid fix will likely become rather permanent if it works well enough to keep me from messing with an electrical issue. <img src="/forums/images/graemlins/ignore.gif" alt="" /> <img src="/forums/images/graemlins/lol.gif" alt="" />


Sean Strawmyer
Back and ready to rock...... crawl.

From Indiana or surrounding states and interested in wheelin'? Check out www.mwior.com

Re: Popping ECM fuses [Re: strawmyers] #843039 10/30/07 04:04 AM
Joined: Aug 2000
Posts: 4,868
Jim_Paget Offline
Roll Me Over
I think that you can count on a electrical band-aid continuing to work just fine until a critical situation arises, then it will fail hard. <img src="/forums/images/graemlins/barf.gif" alt="" /> <img src="/forums/images/graemlins/barf.gif" alt="" />

From your description, it sounds as though your problem may be either a loose connector or a worn insulator that only contacts ground when you are turning left.


Jim Paget
88 YJ with a few changes

www.rrr4x4.com
Re: Popping ECM fuses [Re: strawmyers] #843040 10/30/07 06:30 AM
Joined: Apr 2004
Posts: 310
trooperbc Offline
Mudrunner
Quote
...the Amigo has died 5 times so far and 3 of the 5 times were during hard left turns.
steering pressure switch circuit short ?

//bc


1992 sohc trooper 3.2l v6 automatic . . . as is

i love a good intermittent electrical challenge. . .especially when it's someone else's.
Re: Popping ECM fuses [Re: trooperbc] #843041 10/30/07 07:12 AM
Joined: Apr 2000
Posts: 7,268
mlclark Offline
Isuzu Moderator
*****
Three rights make a left. Problem solved. <img src="/forums/images/graemlins/smile.gif" alt="" />

Michael

Re: Popping ECM fuses [Re: trooperbc] #843042 11/01/07 03:01 AM
Joined: Oct 2001
Posts: 4,016
strawmyers Offline OP
Isuzu Moderator
Quote
Quote
...the Amigo has died 5 times so far and 3 of the 5 times were during hard left turns.
steering pressure switch circuit short ?

//bc


Possibly? Where is that obscure piece of autimoticana located? <img src="/forums/images/graemlins/lol.gif" alt="" />


Sean Strawmyer
Back and ready to rock...... crawl.

From Indiana or surrounding states and interested in wheelin'? Check out www.mwior.com

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