![]() I am sure that I'm leaving something out that I have checked in addition the above. Not sure how to name the components until I find out what they are. I should add that when I turn the key to crank, several components under the hood are being energized. I am ASSUMING the starter is good since I can jump the relay in the fuse block to energize the starter and start the truck did not have the alternator tested per-se but it shows around 14+ volts when truck is running tried starting truck in both park and neutral with key (no go) ![]() did NOT check continuity of purple signal wire to starter solenoid (assuming that it's good based on being able to start the truck by jumping across starter relay sockets 86-30. checked continuity of always hot positive cable to starter (good) confirmed good battery connection (replaced terminal bolts with new from dealer) confirmed battery is good (swapped out with known good from my truck to confirm) replaced starter relay (new from dealer) replaced ignition switch (new from dealer) Here are some answers to questions and the things I have done so far: It fails that piece of the test as demonstrated in MAY03LT's video. The "road-block" I believe is where the starter relay is not being energized between pin 87 and pin 85 when turning the key to the start position. I have ran numerous tests with multi-meter and test light. I wasn't sure of which response to reply to so I responded to the most recent at the bottom. Thank you to all who responded to this problem. Thank you for taking the time to read this! I've been chasing this problem for 3 days now and it's becoming a PITA. Any thoughts, experience, suggestions, or advice on the next move I should make will definitely be greatly appreciated. ![]() Now I am leaning towards the neutral safety switch or the wire to and through it as being the culprit. I checked the ground from socket 85 to vehicle chasis and the resistance is zero. I can jump and start the truck by jumping across sockets 87 and 30 of the starter relay sockets and the truck will run. Boosting/jumping the battery no longer helps. I do not get voltage at the starter solenoid (purple trigger wire) when cranking. My test light did not illuminate when cranking. Thank you for posting! When I performed the test where MAY03LT connected the test light to the POS terminal of the battery with the test probe in socket 85 of the starter relay socket, had the key turned to crank and the test light illuminated, it failed that test. I watched "MAY03LT's" video on "no crank testing and information". All the fuses are good, no blown ones found. Change the ignition switch which cured the erratic gauge condition as well as the locked shifter condition but still no crank. Once home, shut it off, I would not restart and gauges erratic as before. I went to crank it and it started and my wife drove it home with me following in my truck. When I checked it out, I noted that the interior lights looked dimmer than normal so I boosted the battery with my jumper cables which allowed me to depress the shift button and move the shift lever through all the gears. The shift button on the shifter could not be depressed with key in run and foot on brake pedal and the shifter could not be moved out of the park position. Pushing the key to start did nothing but start the erratic gauge reading cycle over. Both RPM and Speedometer gauges were jumping erratically about mid point of gauges with the key in the run position. ![]() Three days ago, my wife drove it to work just fine but it would not crank over when she went to leave. We've owned this TB for roughly 4 years now and never had any real problems with it other than a bad ignition coil and a failed secondary air injection pump and water pump. So this will be a more condensed version. It was actually a quite lengthy text explaining in detail what had happened to my wife's 04 TB out of nowhere. I lost all my previous typed text due to veering away from this site momentarily. This is my second try at posting this thread (although similar to many already posted). Hello everyone - I am a brand new member on this site and am thankful that it exists.
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