This would explain a lot
Postmaster
Joined: Sep 2003
Posts: 4,452
Likes: 1
From: Southern California
Dave:
The picture I had was for a 3.0L engine compartment. It's hard to say precisely where things are when you zoom in a picture, so I wouldn't worry about it. The 4.0L connectors are in the same place since I have both a 3.0L and a 4.0L version. The 3.0L is a '93 and the 4.0L is a '95.
Nighthawk:
If you have the CD for '97, go to the EVTM section and select the Transmission Control section. The wiring diagram is there. As I see it, the 5R55E has solenoid control for gear shifts from 1st to 5th gears, so now you have lots of LEDs to look at if you want to do it
The picture I had was for a 3.0L engine compartment. It's hard to say precisely where things are when you zoom in a picture, so I wouldn't worry about it. The 4.0L connectors are in the same place since I have both a 3.0L and a 4.0L version. The 3.0L is a '93 and the 4.0L is a '95.
Nighthawk:
If you have the CD for '97, go to the EVTM section and select the Transmission Control section. The wiring diagram is there. As I see it, the 5R55E has solenoid control for gear shifts from 1st to 5th gears, so now you have lots of LEDs to look at if you want to do it
Posting Guru
Joined: Jul 2004
Posts: 2,416
Likes: 1
From: Mitchell, SD
Originally Posted by copper_90680
Nighthawk:
If you have the CD for '97, go to the EVTM section and select the Transmission Control section. The wiring diagram is there. As I see it, the 5R55E has solenoid control for gear shifts from 1st to 5th gears, so now you have lots of LEDs to look at if you want to do it
If you have the CD for '97, go to the EVTM section and select the Transmission Control section. The wiring diagram is there. As I see it, the 5R55E has solenoid control for gear shifts from 1st to 5th gears, so now you have lots of LEDs to look at if you want to do it
Posting Guru
Joined: Jul 2004
Posts: 2,416
Likes: 1
From: Mitchell, SD
Originally Posted by copper_90680
Nighthawk:
The current through the solenoid is in the order of 1A. The LED is in parallel to the solenoid and it draws 0.025A, so I don't think it matters.
The current through the solenoid is in the order of 1A. The LED is in parallel to the solenoid and it draws 0.025A, so I don't think it matters.
Elder User
Joined: Jan 2004
Posts: 558
Likes: 0
From: North Alabama
It still looks like a fun project. If I saw an LED flashing in conjunction with the clunk of the shift or the lockup, I'd feel more confident that it wasn't something bad happening.
Think maybe we should use a fuse inline to prevent an issue?
Think maybe we should use a fuse inline to prevent an issue?
Postmaster
Joined: Sep 2003
Posts: 4,452
Likes: 1
From: Southern California
An inline fuse of 1A (before the LEDs) should be plenty because you expect to draw at most 0.05A for both LED. That's the reason I go with LED instead of a regular 12V light bulb.
I installed it because I couldn't tell when my Torque Converter locks up and when it shifts into 4th gear. I can tell the 2nd and 3rd gears shifts, but the 3-4 shifts and the T/C lock up don't provide a big jolt.
I installed it because I couldn't tell when my Torque Converter locks up and when it shifts into 4th gear. I can tell the 2nd and 3rd gears shifts, but the 3-4 shifts and the T/C lock up don't provide a big jolt.
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