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Old 11-04-2017, 07:03 PM   #1
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Default What's the battery "W/L" connector?

I'm on page EF & EC-121. Trying to diagnose a code 51. What is the "W/L" connector on the battery?
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Old 11-04-2017, 07:24 PM   #2
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It's one of the wires that connects to the fusible links. Were you missing 12vdc from any of the pins on the ECU pins 101,102,103,104 or 114?
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Old 11-04-2017, 08:24 PM   #3
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Quote:
Originally Posted by alabama_lowlife View Post
It's one of the wires that connects to the fusible links. Were you missing 12vdc from any of the pins on the ECU pins 101,102,103,104 or 114?
No, I had battery voltage at every pin. But if there's a bad connection, it would cut out as the engine vibrates.

Check out these images. My W/L wire (white and blue) was cut and the connector was bypassed with this red wire. It's bolted to the + battery post with a black plastic gizmo marked as "Fusible Link 18 gauge."

Any thoughts?

(I'm not allowed to post anymore attachments but will find a service and post shortly.)
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Old 11-04-2017, 08:54 PM   #4
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The W/L wire was cut (visible if you look close) and the red wire was spliced in directly from the positive terminal.

Last edited by veesix; 11-04-2017 at 09:16 PM. Reason: Image hosting trouble
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Old 11-04-2017, 09:01 PM   #5
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Here you can see the W/L wire was cut and attached directly to the battery terminal with the red wire.
"W/L"1 by ted von, on Flickr

Last edited by veesix; 11-04-2017 at 09:16 PM.
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Old 11-04-2017, 09:13 PM   #6
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The red wire is connected to the positive terminal by a black plastic thing called "Fusible Link."
"W/L"2 by ted von, on Flickr
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Old 11-04-2017, 09:54 PM   #7
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It should go through the factory fusible link. I guess they got an aftermarket replacement instead of going to the dealership. I'd replace it with the factory piece if it were me, but that should not cause this problem as long as the connections are secure, clean and the fusible link is not blown or damaged.

That battery terminal looks pretty dirty, you should try cleaning that up with a wire brush.
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Old 11-05-2017, 11:58 AM   #8
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Originally Posted by veesix View Post
Any thoughts?

(I'm not allowed to post anymore attachments but will find a service and post shortly.)
Yeah, we need to fix the site issue. With space being so cheap these days, there shouldn't be an attachment limit.
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Old 11-05-2017, 12:32 PM   #9
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Yeah, we need to fix the site issue. With space being so cheap these days, there shouldn't be an attachment limit.
And those tiny attachment images aren't great. Why can't we post a full sized photo?
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Old 11-05-2017, 01:09 PM   #10
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jp2code, Is there a trick to getting an attachment thumbnail to appear as a full image?
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