Dmurph2016 Posted June 19, 2021 Share Posted June 19, 2021 2003 cl 713 Picked the truck up from the shop…. The Speedometer just decided that it wanted to stop working, I’m assuming that’s a wire?hopefully something simple. the next issue is truck feels like it’s not building boost. Can have the pedal all the way to the floor and the truck just don’t pull. Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/ Share on other sites More sharing options...
Joey Mack Posted June 20, 2021 Share Posted June 20, 2021 what was done at the shop? why did you bring this to the shop....? Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475469 Share on other sites More sharing options...
theakerstwo Posted June 20, 2021 Share Posted June 20, 2021 It may not be fueling or in a Derate mode due to no VSS signal. Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475476 Share on other sites More sharing options...
Dmurph2016 Posted June 21, 2021 Author Share Posted June 21, 2021 On 6/19/2021 at 8:44 PM, Joey Mack said: what was done at the shop? why did you bring this to the shop....? Shop was fixing the lighting and air leak with the tag axle issues. They slip says they repaired some wiring at the trans for reverse, so maybe they did something with the speed sensor? I have to call them this morning and see Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475582 Share on other sites More sharing options...
Dmurph2016 Posted June 21, 2021 Author Share Posted June 21, 2021 On 6/19/2021 at 9:44 PM, theakerstwo said: It may not be fueling or in a Derate mode due to no VSS signal. I started to read up, seems when the Speedo is not working it gets derated. I think that’s what’s going on. Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475583 Share on other sites More sharing options...
Dmurph2016 Posted June 22, 2021 Author Share Posted June 22, 2021 So I looked online and I believe this is the sensor? Anything special I have to do to replace it? Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475651 Share on other sites More sharing options...
Mark T Posted June 22, 2021 Share Posted June 22, 2021 That's it. If they were doing anything by the reverse switch ? I'd look for something like if it's unplugged (maybe someone did it by accident and didn't plug it back in ??) or pinched or green stuff in the wires. Seems odd it would just stop working at the same time. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475653 Share on other sites More sharing options...
Dmurph2016 Posted June 22, 2021 Author Share Posted June 22, 2021 24 minutes ago, Mark T said: That's it. If they were doing anything by the reverse switch ? I'd look for something like if it's unplugged (maybe someone did it by accident and didn't plug it back in ??) or pinched or green stuff in the wires. Seems odd it would just stop working at the same time. They were putting on a backup bepper, guess the wiring was all sorts of messed up and they must have had to do something right the reverse switch. I checked and it’s plugged in, doesn’t look pinched or any oxidation from the sensor to the connector. I’m still waiting for the owner to call back. Hopefully they offer to take a look at it. I drove it there and the Speedo was working picked it up and it wasn’t. Not saying they are the reason but just the facts. I’m sure they will make it right Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475654 Share on other sites More sharing options...
Mark T Posted June 22, 2021 Share Posted June 22, 2021 The sensor's plug might be close to the reverse switch's plug. Might be from touching wires there, hard to tell without being able to see it. Did you look at it ? wiggle the plug ? unplug it and plug it back in ? Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475656 Share on other sites More sharing options...
Dmurph2016 Posted June 23, 2021 Author Share Posted June 23, 2021 2 hours ago, Mark T said: The sensor's plug might be close to the reverse switch's plug. Might be from touching wires there, hard to tell without being able to see it. Did you look at it ? wiggle the plug ? unplug it and plug it back in ? I was looking at it before the rain storm started, I wiggled it to make sure it was plugged in, when it dries out tomorrow I want to try unplug/plug and see if that does anything Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475663 Share on other sites More sharing options...
Joey Mack Posted June 23, 2021 Share Posted June 23, 2021 If its not damaged.. back it off.... then ...by hand.... screw it in til it touches,,,, then back it out 1 full turn. 360 degrees... jojo Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475665 Share on other sites More sharing options...
Dmurph2016 Posted June 23, 2021 Author Share Posted June 23, 2021 (edited) 55 minutes ago, Joey Mack said: If its not damaged.. back it off.... then ...by hand.... screw it in til it touches,,,, then back it out 1 full turn. 360 degrees... jojo I am assuming you mean to loosen the jam nut at the bottom, and screw the sensor itself down until it touches, back it out 1 full turn and then tighten the jam nut back down? I’ll be able to screw the sensor with my hands or will I need a wrench? Edited June 23, 2021 by Dmurph2016 1 Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475666 Share on other sites More sharing options...
Mark T Posted June 23, 2021 Share Posted June 23, 2021 That's what he's talking about. Check on top of the transmission and look for something disturbed from the reverse switch issue. The sensor's plug is likely up there. It's not impossible the speedo sensor is bad as well. On occasion, those plastic ones don't live through being touched ( like as in resetting it's depth ) 1 Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475668 Share on other sites More sharing options...
theakerstwo Posted June 23, 2021 Share Posted June 23, 2021 what you need to do is get some one with a reader plug in and go down the road with it and watch and see if you loose the VSS signal. Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475669 Share on other sites More sharing options...
Dmurph2016 Posted June 23, 2021 Author Share Posted June 23, 2021 1 hour ago, theakerstwo said: what you need to do is get some one with a reader plug in and go down the road with it and watch and see if you loose the VSS signal. If there was someone local that could do it I’d drive it there, but driving it derated is no good when you need to do highway speeds to get to a shop and it just can’t. I’m going to try adjusting the sensor, if that doesn’t work I’ll replace it since it’s cheap. Then if that doesn’t work I’ll probably end up having to bring it to the shop again, but that’ll be after I try some things Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475672 Share on other sites More sharing options...
Dmurph2016 Posted June 23, 2021 Author Share Posted June 23, 2021 1 hour ago, Mark T said: That's what he's talking about. Check on top of the transmission and look for something disturbed from the reverse switch issue. The sensor's plug is likely up there. It's not impossible the speedo sensor is bad as well. On occasion, those plastic ones don't live through being touched ( like as in resetting it's depth ) I’ll have to check that out tomorrow morning. I figured they were working in the same area maybe something happened, but the sensor is pretty cheap so can always try replacing it and go from there. Just seems like as soon as I’m ready to get it working it’s one thing after another Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475673 Share on other sites More sharing options...
Dmurph2016 Posted June 23, 2021 Author Share Posted June 23, 2021 Update, I unplugged the sensor and plugged it back in and it was working, took the truck for a drive and no issues. I ordered a new sensor from the dealer and will install when it gets here. I’m not sure if it was a coincidence or just the sensor being on its way out (no idea how old it is) so I’m glad it was something simple this time! 1 Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475727 Share on other sites More sharing options...
Joey Mack Posted June 23, 2021 Share Posted June 23, 2021 May I suggest a good inspection of the plug on the truck harness, and gently tighten the terminals before you plug the new sensor in... Jojo 1 Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475728 Share on other sites More sharing options...
Mark T Posted June 23, 2021 Share Posted June 23, 2021 30 minutes ago, Dmurph2016 said: Update, I unplugged the sensor and plugged it back in and it was working, took the truck for a drive and no issues. I ordered a new sensor from the dealer and will install when it gets here. I’m not sure if it was a coincidence or just the sensor being on its way out (no idea how old it is) so I’m glad it was something simple this time! If it works, leave it alone ( lol ) Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475729 Share on other sites More sharing options...
Dmurph2016 Posted June 24, 2021 Author Share Posted June 24, 2021 2 hours ago, Mark T said: If it works, leave it alone ( lol ) I contemplated that, lol but my luck it’ll stop working first day I put the truck to work. Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475736 Share on other sites More sharing options...
Dmurph2016 Posted June 25, 2021 Author Share Posted June 25, 2021 Next up on the list.. gauge cluster lights? Easy to take the cluster out to replace the lights? Went to take it for a drive but it’s pitch black out, and no gauge lights at all. Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475792 Share on other sites More sharing options...
Joey Mack Posted June 25, 2021 Share Posted June 25, 2021 do you have a dial for the dash lights? They do mess up.. Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475798 Share on other sites More sharing options...
Dmurph2016 Posted June 25, 2021 Author Share Posted June 25, 2021 12 minutes ago, Joey Mack said: do you have a dial for the dash lights? They do mess up.. I should specify I do have turn signal/ 4 ways and the air warning light but I don’t believe any of the other lights come or or lights for any gauges. The truck does have a dial. But I haven’t looking into how it works yet Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475800 Share on other sites More sharing options...
Joey Mack Posted June 25, 2021 Share Posted June 25, 2021 It's a reostat, just turn it to see if the dash lights work., if the lights come on but act stupid,,,, rotate the dial left and right as fast as you can to see if is just dirty.. it may come back to life.... Jojo Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475801 Share on other sites More sharing options...
Dmurph2016 Posted June 25, 2021 Author Share Posted June 25, 2021 10 minutes ago, Joey Mack said: It's a reostat, just turn it to see if the dash lights work., if the lights come on but act stupid,,,, rotate the dial left and right as fast as you can to see if is just dirty.. it may come back to life.... Jojo Yeah i Already tried turning the dial nothing seems to come on. So I’m guessing either there’s a loose connection, or maybe all the bulbs are out, but that seems unlikely Quote Link to comment https://www.bigmacktrucks.com/topic/67067-are-these-2-issues-related/#findComment-475803 Share on other sites More sharing options...
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