DP Tuner install question
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
Likes: 4
From: Grand Lake, La.
The PCM will not cause none of the lights to come on. More then likely it's like was just said, a fuse. Are you making sure the PCM connector on the firewall is in all the way? I have seen where some have not had that connection in all the way, and had some problems.
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Elder User
Joined: Feb 2008
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From: Irwin,Pa
Ok, I am at wits end here.. I took out the PC, tried cleaning the contacts again, re-installed & still nothing. I have the battery charger on, even though the batteries show 12+ volts with a meter. The headlights work, the chime works with the key, the interior lights work, turn signals. No lights on the instrument cluster come on when I turn the key, & the radio does not work. I have looked over all the fuses, even pulling out the smaller ones to check & can't find anything. I called Jody, his answering machine said he is in Washington live tuning until tuesday & I also sent an e-mail to him as well as ITP diesel who I bought it thru... I'm running out of ideas....
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
Likes: 4
From: Grand Lake, La.
Look at fuse #19 under the dash. It is a 10a fuse that does the cluster and PCM. See if this works. Click here
Look on page 172 and 173
Look on page 172 and 173
Hotshot
Joined: Jan 2008
Posts: 13,144
Likes: 11
From: Rochdale MA
Double check these fuses in the cab fuse box
#15 5A
Stop Lamp Switch (Logic): Generic
Electronic Module (GEM), Powertrain
Control Module (PCM), Four Wheel
Anti-lock Brake System (4WABS) Module,
Brake Shift Interlock, Cluster and PCM
Keep Alive Memory
#16 15A
Instrument Cluster, Hi-beam Headlamps
#19 10A
Auxiliary Powertrain Control Module
(APCM) (Diesel only), Instrument Cluster,
GEM Module, Overdrive Cancel Switch,
Idle Validation Switch (Diesel only),
Overhead Console, Diesel PCM via Clutch
#29 5A
Instrument Cluster (Charge and Airbag
Warning Lamps)
#30 30A PCM Relay Coil, Ignition Coil (Gasoline
only), Fuel Heater (Diesel only),
Wastegate Solenoid (Diesel only), Injector
Driver Module Relay Coil (Diesel only)
#15 5A
Stop Lamp Switch (Logic): Generic
Electronic Module (GEM), Powertrain
Control Module (PCM), Four Wheel
Anti-lock Brake System (4WABS) Module,
Brake Shift Interlock, Cluster and PCM
Keep Alive Memory
#16 15A
Instrument Cluster, Hi-beam Headlamps
#19 10A
Auxiliary Powertrain Control Module
(APCM) (Diesel only), Instrument Cluster,
GEM Module, Overdrive Cancel Switch,
Idle Validation Switch (Diesel only),
Overhead Console, Diesel PCM via Clutch
#29 5A
Instrument Cluster (Charge and Airbag
Warning Lamps)
#30 30A PCM Relay Coil, Ignition Coil (Gasoline
only), Fuel Heater (Diesel only),
Wastegate Solenoid (Diesel only), Injector
Driver Module Relay Coil (Diesel only)
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Elder User
Joined: Feb 2008
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From: Irwin,Pa
Ok, i'll go double check them again.. Diane answered my e-mail & I responded back.. maybe she or you guys can answer some of my questions. In the No Start mode.. does it do the things I have occurring when you turn the key? No dash lights, or radio? If so, is it possible the PCM was stuck in no start mode even after I took the chip out or does it automatically revert back to stock once its unplugged? I'm just wondering if this is PCM/Tuner related now or is this something else like fuse/relay ??
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
Likes: 4
From: Grand Lake, La.
The pcm should go back to stock when you take the chip off. To me it seems like a fuse problem. I have yet to put my chip in the no start mode, so I can't help with that question.
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Elder User
Joined: Feb 2008
Posts: 568
Likes: 0
From: Irwin,Pa
Checked all the fuses, still no luck.. I've had this thing in & out enough times I can do it in my sleep.. Anyone know, would a fried PCM cause problems i'm having? everything dead with the key other than the chime, no radio either?
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Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
Likes: 4
From: Grand Lake, La.
Gregg, sorry, I am out of ideas. I think Jody needs to get with you and figure this out. Wish I had more help for you.
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Joined: Feb 2008
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From: Irwin,Pa
Thanks Rick. I'm beginning to think something is wrong with the PCM or maybe something else. I got it to crank & the dash lights work again, but with or without the DP Tuner, it won't start. It cranks, builds up oil pressure, but the tach doesn't move & it won't fire.. no smoke from the tailpipe either. 
I'm about to give up for the day, I can't figure this out & it will be dark outside soon. Thanks again everyone for the help, I spoke to Jim (megawatt) on the phone earlier & he gave me some new ideas to try. I thought i was getting somewhere when I got it to fire....
Kinda sucks, I've been excited waiting for the Tuner to get here for over a week & now that its here, this is ruining the excitement..lol
I'm about to give up for the day, I can't figure this out & it will be dark outside soon. Thanks again everyone for the help, I spoke to Jim (megawatt) on the phone earlier & he gave me some new ideas to try. I thought i was getting somewhere when I got it to fire....
Kinda sucks, I've been excited waiting for the Tuner to get here for over a week & now that its here, this is ruining the excitement..lol
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Elder User
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From: Irwin,Pa
Thread Starter
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Elder User
Joined: Feb 2008
Posts: 568
Likes: 0
From: Irwin,Pa
I have no idea what happened at this point. I read where you don't use anything metal, so I only used my fingernail & a scothbrite scrubby.. Now its gonna be trial & error seeing what I can do to get it to start. Unfortunately I am out my vehicle & have to go to work today.