IDM issue... I Think???
Thread Starter
|
Tuned
Joined: Feb 2008
Posts: 445
Likes: 1
From: Forest Grove, BC
IDM issue... I Think???
Hi all. A while ago I posted a issue with my 95 7.3...
Hears the story again.... Truck was running fine then I had a stall at a light. Started up and went home. In the morning I went out to start and it barely started sounded like it was only running on 6 or 7 cyl.. Limped it to the shop. Hooked up my AE and did a injector buzz test. Got a fault on the 6 & 8 bank. Pulled valve cover and saw a burnt pin on a glow plug for #6. Figured it was taking out 6 and 8 injectors.
Got a aftermarket gasket with the built in injector harnesses and two new pig tails. Installed them and tried to start... Not a thing Hmmm.
Hooked up AE and attempted to do another buzz test. Nothing buzzed...
It seems to me im not getting any action from the IDM
Im kinda stumped Any suggestions would be great Thanks in Advance
Hears the story again.... Truck was running fine then I had a stall at a light. Started up and went home. In the morning I went out to start and it barely started sounded like it was only running on 6 or 7 cyl.. Limped it to the shop. Hooked up my AE and did a injector buzz test. Got a fault on the 6 & 8 bank. Pulled valve cover and saw a burnt pin on a glow plug for #6. Figured it was taking out 6 and 8 injectors.
Got a aftermarket gasket with the built in injector harnesses and two new pig tails. Installed them and tried to start... Not a thing Hmmm.
Hooked up AE and attempted to do another buzz test. Nothing buzzed...
It seems to me im not getting any action from the IDM
Im kinda stumped Any suggestions would be great Thanks in Advance
Thread Starter
|
Tuned
Joined: Feb 2008
Posts: 445
Likes: 1
From: Forest Grove, BC
No Shake test yet. I will yank it off tomorrow. I hope I got the wires correct, the colors on the new pigtails were a bit different from the harness. Does anyone know the colors for the oem harness for injector plugs 2, 4, 6, & 8 ??
Thread Starter
|
Tuned
Joined: Feb 2008
Posts: 445
Likes: 1
From: Forest Grove, BC
https://www.ford-trucks.com/forums/1...harness-2.html
This is the link to a previous post that shows wiring diagram
This is the link to a previous post that shows wiring diagram
Thread Starter
|
Tuned
Joined: Feb 2008
Posts: 445
Likes: 1
From: Forest Grove, BC
haha the 6, 8 pigtail was replaced befor I bought the truck and the 2, 4 pitail I cut off wires tight to plug so I had some wire to work with
Im sure I got the 2, 4 pigtail correct.....Maybe screwed up the 6, 8....
If I did get a wire crossed, would that stop a buzz test?? I did disconnect each plug and tried a buz test wit one plug disconnected and nothing happened... No Buzz
Im sure I got the 2, 4 pigtail correct.....Maybe screwed up the 6, 8....
If I did get a wire crossed, would that stop a buzz test?? I did disconnect each plug and tried a buz test wit one plug disconnected and nothing happened... No Buzz
Trending Topics
PREMIUM SPONSOR
Joined: Sep 2003
Posts: 2,630
Likes: 217
From: North East Ohio
If you only worked on the driver's side, the passenger side would still buzz regardless if you messed up the driver's side pigtails.
Swapping in a spare IDM, or borrowing a buddy's IDM to try will certainly help narrow it down and only takes a few minutes.
An IDM from any year truck from '94.5 - '03 will work.
Swapping in a spare IDM, or borrowing a buddy's IDM to try will certainly help narrow it down and only takes a few minutes.
An IDM from any year truck from '94.5 - '03 will work.
__________________
'96 7.3 F-350 Reg Cab 4x4 - bought new.
'04 6.0 E-350 custom 4x4
'08 6.4 F-550 Reg Cab 6 spd 4x4
'17 6.7 F-250 KR ccsb 4x4
'96 7.3 F-350 Reg Cab 4x4 - bought new.
'04 6.0 E-350 custom 4x4
'08 6.4 F-550 Reg Cab 6 spd 4x4
'17 6.7 F-250 KR ccsb 4x4
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make
Brett Foote
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!
Michael S. Palmer
Ford's 2001 Explorer Sportsman Concept Looks For a New Home
Verdad Gallardo
10 Best Ford Truck Engines We Miss the Most!
Joe Kucinski
2026 Shelby F-150 Off-Road: Better Than a Raptor R?
Brett Foote
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!
Michael S. Palmer
10 Most Surprising 2026 Ford Truck Features!
Joe Kucinski
Top 10 Ford Trucks Coming to Mecum Indy 2026
Brett Foote
5 Best / 5 Worst Ford Truck Wheels of All Time
Joe Kucinski
Postmaster
Joined: Sep 2007
Posts: 4,195
Likes: 6
From: Medford Oregon
Pins E D C B A
Cylinder 2 - 4
E = Brn
D = Wht
C = Pnk/Yel
B = Brn/LtBlu
A = Brn
Cylinder 6 - 8
E = Brn
D = LtGrn/Org
C = Pnk/Yel
B = LtBlu
A = Brn
I think it could depending on what is crossed. The high side (120 volts) is shared by all injectors (center pin) so if the IDM saw a short it would try to protect itself. Try unplugging both drivers side connectors and re-do buzz test.
Thread Starter
|
Tuned
Joined: Feb 2008
Posts: 445
Likes: 1
From: Forest Grove, BC
OK #8 maxi fuse is good
IDM shake seems good....it looks sealed up still
Is it hard to open up?? Looks like the edges are crimped to keep it closed. I was thinking about opening and see if there r any burnt things inside??
IDM shake seems good....it looks sealed up still
Is it hard to open up?? Looks like the edges are crimped to keep it closed. I was thinking about opening and see if there r any burnt things inside??