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Electrical & Stereo
Forgotten Ground Connections After Engine Pull/Reinstall
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<blockquote data-quote="David" data-source="post: 1478470" data-attributes="member: 25864"><p>Hey everyone. This my first time on any sort of forum like this on the internet and I hope I'm in the right place. I'll try to make it short and sweet. My project car is a 2002 Ford Mustang GT with the TR3650. I bought it last year and over the course of about 14-15 months (slowly but surely lol) I have pulled the engine and transmission and fixed all the gremlins the car came with. I think so anyway! Over that time I must say I have forgotten a couple of connections, if they were in fact connected to something, and was hoping some of the nice folks here could point me in the right direction. Pictured below is a ground cable going from the right front quarter panel to somewhere in the engine bay. With the past history of this car (had to have an engine swap, questionable shops doing the work, etc.) I wouldn't be surprised if it doesn't go to anything. It is questionable if the harness was from the engine's old vehicle. I mean, there are a couple of pigtails that are coming from the intake valley that I assume are knock sensors (?) in the block but I have nowhere to plug them in.</p><p>[ATTACH=full]8105[/ATTACH] </p><p>On another but not so different note. After I completed the reinstall the other day, I went to fire it up and...nothing... I noticed the fuel pump wasn't kicking on, and there was no fuel pressure after multiple cranking cycles. Everything else seemed to be ok. I sprayed a shot of starting fluid in the intake and it fired right up, so I know everything is working as it should. I'm not sure if these two things are related or not, but I want to nail down the ground wiring to rule that out as the reason for the fuel pump (again, assuming it connects to something). It's going to be annoying if the pump went out simply from sitting, although I know that's not necessarily unheard of. Any input is appreciated. Thanks!</p></blockquote><p></p>
[QUOTE="David, post: 1478470, member: 25864"] Hey everyone. This my first time on any sort of forum like this on the internet and I hope I'm in the right place. I'll try to make it short and sweet. My project car is a 2002 Ford Mustang GT with the TR3650. I bought it last year and over the course of about 14-15 months (slowly but surely lol) I have pulled the engine and transmission and fixed all the gremlins the car came with. I think so anyway! Over that time I must say I have forgotten a couple of connections, if they were in fact connected to something, and was hoping some of the nice folks here could point me in the right direction. Pictured below is a ground cable going from the right front quarter panel to somewhere in the engine bay. With the past history of this car (had to have an engine swap, questionable shops doing the work, etc.) I wouldn't be surprised if it doesn't go to anything. It is questionable if the harness was from the engine's old vehicle. I mean, there are a couple of pigtails that are coming from the intake valley that I assume are knock sensors (?) in the block but I have nowhere to plug them in. [ATTACH=full]8105[/ATTACH] On another but not so different note. After I completed the reinstall the other day, I went to fire it up and...nothing... I noticed the fuel pump wasn't kicking on, and there was no fuel pressure after multiple cranking cycles. Everything else seemed to be ok. I sprayed a shot of starting fluid in the intake and it fired right up, so I know everything is working as it should. I'm not sure if these two things are related or not, but I want to nail down the ground wiring to rule that out as the reason for the fuel pump (again, assuming it connects to something). It's going to be annoying if the pump went out simply from sitting, although I know that's not necessarily unheard of. Any input is appreciated. Thanks! [/QUOTE]
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