It's always something! ARGH
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Elder User
Joined: Jul 2010
Posts: 534
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From: Kremmling, Colorado
It's always something! ARGH
So my dash, wipers and 4wd switch are acting weird. I go to check things and find my wiring harness at the firewall chewed up.
Is this something I can fix or should I find another harness that leads from the PCM? If so how do I know what to get and where?
Is this something I can fix or should I find another harness that leads from the PCM? If so how do I know what to get and where?
Logistics Pro
Joined: Dec 2010
Posts: 4,738
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From: Temperance, MI
With them being "chewed up" like I'm picturing and being what it does I would replace it. Where to get one I'm not sure.
As for it always being something. I have the same problem. I look at it this way... I could get a new truck and have a $600 a month payment or I can stick with my truck and spend $600 when something needs fixed because it doesn't cost me that much every time something breaks and it doesn't break like that every month. Good luck.
As for it always being something. I have the same problem. I look at it this way... I could get a new truck and have a $600 a month payment or I can stick with my truck and spend $600 when something needs fixed because it doesn't cost me that much every time something breaks and it doesn't break like that every month. Good luck.
Logistics Pro
Joined: Oct 2011
Posts: 3,953
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From: Mcdonough, GA
Like rodents chewed up?
How many wires are damaged? How close to the plug? How many total in the harness? If only a couple you might be able to fix it. If a lot it will make for a tough job mainly because every repaired wire ends up about twice or three times the size of the originals.
More options these days for lower profile splices which make fo a cleaner job.
How many wires are damaged? How close to the plug? How many total in the harness? If only a couple you might be able to fix it. If a lot it will make for a tough job mainly because every repaired wire ends up about twice or three times the size of the originals.
More options these days for lower profile splices which make fo a cleaner job.
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Elder User
Joined: Jul 2010
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From: Kremmling, Colorado
ok. It's not the PCM harness. It's the harness that goes the the firewall (there are 3 holes with rubber boot/grommets that are there) The damaged one is the upper most harness. In the engine compartment it splits into 4 bundles and connects to a clip on the frame. Inside it looks to go up into the dash.
What is that called?
What is that called?
Logistics Pro
Joined: Jun 2005
Posts: 4,243
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From: AZ
I live in the proverbial "middle of nowhere" and this is great habitat for mice and rats (lots of grasses and seed bearing plants). I use to have chewed-up wires occasionally (they got the injector harness on my wifes TDI 
). I solved it by putting out a commercial bait station and keeping it full at all times. Never let it go empty. I buy the bait in 9lb buckets on Amazon. At first, blocks would disappear overnight. Now I can go weeks/months before the blocks run low. In the last three years I have found no sign of mice or rats (though I am now dealing with two ground squirrels). For backup to the bait station, I keep blocks of poison wired tied under the hood and in compartments on our coach (baling wire through the hole on the bait block tied to something under the hood).
). I solved it by putting out a commercial bait station and keeping it full at all times. Never let it go empty. I buy the bait in 9lb buckets on Amazon. At first, blocks would disappear overnight. Now I can go weeks/months before the blocks run low. In the last three years I have found no sign of mice or rats (though I am now dealing with two ground squirrels). For backup to the bait station, I keep blocks of poison wired tied under the hood and in compartments on our coach (baling wire through the hole on the bait block tied to something under the hood).
Senior User
Joined: Aug 2012
Posts: 307
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From: thornton CO
Could this chewed up harness also be causing your glow plug system issues?
Maybe call tousley and talk to them about a replacement.
Maybe call tousley and talk to them about a replacement.
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Elder User
Joined: Jul 2010
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From: Kremmling, Colorado
Well, after looking I decided it would be easier to cut, splice and re-solder all of the messed up wires. About 10 in all. So now that is done and everything is working I decided to address another issue........
.......My power windows, see new thread.
.......My power windows, see new thread.
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Logistics Pro
Joined: Oct 2011
Posts: 3,953
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From: Mcdonough, GA
Glad it was in an area you could get to. Good call on soldering.
I'm getting those traps Neal showed us. Little suckers chwed the wires on my riding mower in my shed this summer and I'm tired of baiting snap traps. bunch less mice around my shed though
I'm getting those traps Neal showed us. Little suckers chwed the wires on my riding mower in my shed this summer and I'm tired of baiting snap traps. bunch less mice around my shed though
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