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S
scooterrr
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From
Mississippi
Joined
Feb 27, 2025
Last seen
Apr 11, 2025
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S
scooterrr
replied to the thread
7.3 IDI Tachometer Woes
.
That's correct, it's a 2 wire magnetic deal that sends an AC signal directly to the PCM through pin 4 and 44. You need this signal for...
Mar 18, 2025
S
scooterrr
replied to the thread
7.3 IDI Tachometer Woes
.
I just wanted to follow up with where I ended up on this. I ended up replacing that swollen capacitor and re-flowed a few things. When I...
Mar 16, 2025
S
scooterrr
replied to the thread
7.3 IDI Tachometer Woes
.
Oh, that's not as bad as I was thinking it would be. About the same as scratch and dent specials on eBay... Thank you for that I've...
Mar 8, 2025
S
scooterrr
replied to the thread
7.3 IDI Tachometer Woes
.
I'm keen for that if this goes poorly, but I could use saving some money so I'll give it a go. If it doesn't work out a core is a core haha
Mar 8, 2025
S
scooterrr
replied to the thread
7.3 IDI Tachometer Woes
.
Good eye, I totally missed that. I'll try to replace these at some point here soon and see what kind of results I get. I'm still a...
Mar 8, 2025
S
scooterrr
replied to the thread
7.3 IDI Tachometer Woes
.
Well I popped the PCM out and it seems like this blue square component is burnt up. Does anyone know what that component is, I can't for...
Mar 8, 2025
S
scooterrr
replied to the thread
7.3 IDI Tachometer Woes
.
This seemed to be kinda the idea from what I gathered from the other post I found. It just seems strange to me that by jumping those...
Mar 5, 2025
S
scooterrr
replied to the thread
7.3 IDI Tachometer Woes
.
Interestingly the tachometer does work with the PCM harness plugged in and the PCM relay pulled. However, it reads really low RPM's...
Mar 5, 2025
S
scooterrr
replied to the thread
7.3 IDI Tachometer Woes
.
So I was just able to work on it for a bit before the rain started pelting me. Here's what I found. PCM is definitely getting power...
Mar 5, 2025
S
scooterrr
replied to the thread
7.3 IDI Tachometer Woes
.
I think I've got a code reader hanging around somewhere, I'll take a look for that and see what I can find. As for those inputs, I'll...
Mar 4, 2025
S
scooterrr
replied to the thread
7.3 IDI Tachometer Woes
.
I'll take another look at things tomorrow, and write down my results so I can share them here. Fingers crossed it's just a bad ground or...
Mar 4, 2025
S
scooterrr
replied to the thread
7.3 IDI Tachometer Woes
.
I assume you're referring to Relay 1 in the fuse box in the engine bay? I've checked this relay and so far as I can tell it is working...
Mar 4, 2025
S
scooterrr
posted the thread
7.3 IDI Tachometer Woes
in
6.9L IH & 7.3L IDI Diesels
.
I recently acquired a 1993 F250 4x4 with the 7.3 IDI for $2300. Came with a dash saying 150,000 miles, but who knows if that's accurate...
Mar 4, 2025
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