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Search: Posts Made By: rockp2
Forum: General Chat 05-22-2018, 04:54 PM
Replies: 4
Views: 97
Posted By rockp2
I'd definitely recommend the LMC Truck kit. You...

I'd definitely recommend the LMC Truck kit. You don't know what the hardware will look like until you start pulling them off. Especially if you're in the rust belt. I was very glad I had the full...
Forum: 2nd Gen S-series (1995-2005) Tech 05-21-2018, 06:52 PM
Replies: 36
Views: 759
Posted By rockp2
Snap-On products I can definitely help you out...

Snap-On products I can definitely help you out with as I own a few of theirs and have researched the piss out of them. I also am somewhat well versed on Autel as I own one of theirs.
Forum: 2nd Gen S-series (1995-2005) Tech 05-21-2018, 06:23 PM
Replies: 36
Views: 759
Posted By rockp2
What you first have to understand is there is a...

What you first have to understand is there is a difference between a scope and a bi-directional tool. You need a bi-directional to do things like CKP relearns. The scope is so you can read what is...
Forum: 2nd Gen S-series (1995-2005) Tech 05-21-2018, 04:22 PM
Replies: 36
Views: 759
Posted By rockp2
Unfortunately there are limitations to not having...

Unfortunately there are limitations to not having a scope. For instance, though you were getting a crank signal it could have been erratic and you really don't know. I got into scope work a few...
Forum: 2nd Gen S-series (1995-2005) Tech 05-21-2018, 03:45 PM
Replies: 36
Views: 759
Posted By rockp2
Sounds like you are not getting a crank signal. ...

Sounds like you are not getting a crank signal. Probably same reason you're not getting any flashing now. Try unplugging the CMP and cranking with everything else plugged in. Another note though,...
Forum: 2nd Gen S-series (1995-2005) Tech 05-21-2018, 02:59 PM
Replies: 36
Views: 759
Posted By rockp2
A shorted Camshaft Position Sensor or circuit can...

A shorted Camshaft Position Sensor or circuit can pull other sensors down. It can even shut the VCM down. I know it's a PIA to get to behind the distributor, but you might want to unplug it to see...
Forum: Lighting & Electrical 05-21-2018, 10:30 AM
Replies: 8
Views: 322
Posted By rockp2
The relay is the Turn Signal Lamp Flasher. But...

The relay is the Turn Signal Lamp Flasher. But that part is not the problem. With no hard data/tests to back up my assumptions (besides changing the Multi-Function Switch and the problem being...
Forum: 2nd Gen S-series (1995-2005) Tech 05-19-2018, 08:18 PM
Replies: 36
Views: 759
Posted By rockp2
Either post can spark. But check your block...

Either post can spark. But check your block ground real well anyway as well as the ground straps at the back of the engine. Bad grounds can cause crazy stuff.
Forum: 2nd Gen S-series (1995-2005) Tech 05-19-2018, 08:15 PM
Replies: 36
Views: 759
Posted By rockp2
That means you are getting a crank signal. I...

That means you are getting a crank signal. I doubt you have a PCM problem. They are pretty bomb proof. I'm sorry I can't offer more at the moment, I'm running out the door. Did you check the...
Forum: 2nd Gen S-series (1995-2005) Tech 05-19-2018, 06:58 PM
Replies: 36
Views: 759
Posted By rockp2
Ok, thanks...I wan't dead positive and didn't...

Ok, thanks...I wan't dead positive and didn't want to make assumption. While you're waiting for your help, a quick check you can do is crank your engine while watching your RPM gauge. It should...
Forum: 2nd Gen S-series (1995-2005) Tech 05-19-2018, 05:37 PM
Replies: 36
Views: 759
Posted By rockp2
I'm still not clear, is your engine cranking or...

I'm still not clear, is your engine cranking or do you have a no crank situation?
Forum: 2nd Gen S-series (1995-2005) Tech 05-19-2018, 11:30 AM
Replies: 39
Views: 1,079
Posted By rockp2
Our MAFs are measured in grams per second. ...

Our MAFs are measured in grams per second. There's probably a conversion you can use. I never have. What is the IAC counts (or %) and the TPS angle at idle?
Forum: Engine & Transmission 05-18-2018, 01:04 PM
Replies: 20
Views: 538
Posted By rockp2
Thank you for posting your follow-up. It is of...

Thank you for posting your follow-up. It is of immeasurable help to others. Far too many will leave their post hanging and we cannot get confirmation that a fix solved the problem.
Forum: 2nd Gen S-series (1995-2005) Tech 05-18-2018, 12:02 PM
Replies: 39
Views: 1,079
Posted By rockp2
The handwritten is not mine. Got it from Captain...

The handwritten is not mine. Got it from Captain Hook several years ago.
Forum: 2nd Gen S-series (1995-2005) Tech 05-18-2018, 11:31 AM
Replies: 39
Views: 1,079
Posted By rockp2
Here's some diagrams that should help.

Here's some diagrams that should help.
Forum: 2nd Gen S-series (1995-2005) Tech 05-17-2018, 04:02 PM
Replies: 36
Views: 759
Posted By rockp2
I'm wondering the same thing. Can you post pics?

I'm wondering the same thing. Can you post pics?
Forum: 2nd Gen S-series (1995-2005) Tech 05-17-2018, 03:46 PM
Replies: 39
Views: 1,079
Posted By rockp2
Ok, a bad or out of range TPS can also be the...

Ok, a bad or out of range TPS can also be the cause of a P0507 code. If you go online you can more than likely download the instructions for the scanner. Knowing the IAC counts position (or %) and...
Forum: 2nd Gen S-series (1995-2005) Tech 05-17-2018, 03:07 PM
Replies: 39
Views: 1,079
Posted By rockp2
Do I understand correctly that you do not get any...

Do I understand correctly that you do not get any ohm reading using a DVOM following closely the instructions in the thread I linked (post #3 and post #8)? If you do not get any reading, on the two...
Forum: 2nd Gen S-series (1995-2005) Tech 05-17-2018, 02:43 PM
Replies: 36
Views: 759
Posted By rockp2
OK, a little bit of info, a relay is a switch...

OK, a little bit of info, a relay is a switch which has power and ground. There are ground-switched-relays but they also have power. What you were looking at seems to be simply a ground junction.
...
Forum: Lighting & Electrical 05-16-2018, 10:30 PM
Replies: 8
Views: 322
Posted By rockp2
I'm not normally one that says change a part...

I'm not normally one that says change a part without further testing, but I would slightly lean towards suggesting you replace your multi-function switch. :)

First, it is probably one of the top...
Forum: 2nd Gen S-series (1995-2005) Tech 05-16-2018, 09:46 PM
Replies: 36
Views: 759
Posted By rockp2
1. I'm not sure what you mean when you say...

1. I'm not sure what you mean when you say "ground relay"?

2. Did you have the key in the run or start position when you were checking the pink wire? The pink wire receives power from the ECM1...
Forum: Engine & Transmission 05-15-2018, 06:41 PM
Replies: 7
Views: 245
Posted By rockp2
It's at the very bottom of my post.

It's at the very bottom of my post.
Forum: Engine & Transmission 05-15-2018, 05:30 PM
Replies: 7
Views: 245
Posted By rockp2
See the link in the bottom of my signature block...

See the link in the bottom of my signature block to do the fuel pressure/leakdown test Christine is referring to. Follow Captain Hook's instructions.
Forum: 2nd Gen S-series (1995-2005) Tech 05-15-2018, 07:39 AM
Replies: 39
Views: 1,079
Posted By rockp2
Read through this thread concerning checking IAC...

Read through this thread concerning checking IAC Valve and doing IAC Relearn. Applies to high idle the same as low idle. ...
Forum: 2nd Gen S-series (1995-2005) Tech 05-14-2018, 11:28 PM
Replies: 39
Views: 1,079
Posted By rockp2
Do you have any other codes or driveability...

Do you have any other codes or driveability issues? What RPM does your truck idle at? After overnight cold soak, does the truck start at a specific RPM and then slowly settle to a certain RPM or...
Forum: 2nd Gen S-series (1995-2005) Tech 05-13-2018, 01:16 PM
Replies: 5
Views: 224
Posted By rockp2
Ha! Don't I wish. Paul is a stud and I have...

Ha! Don't I wish. Paul is a stud and I have learned a ton from him over the last couple of years.
Forum: 2nd Gen S-series (1995-2005) Tech 05-13-2018, 01:13 PM
Replies: 5
Views: 234
Posted By rockp2
This is only one fix of a couple different...

This is only one fix of a couple different possibilities. Yours could be a problem with the TCCM or vacuum issue.
Forum: 2nd Gen S-series (1995-2005) Tech 05-13-2018, 07:02 AM
Replies: 4
Views: 247
Posted By rockp2
If it's under your battery and looks kinda like a...

If it's under your battery and looks kinda like a flying saucer, it's the vacuum actuator for your 4wd. It locks in your front axle.
Forum: Lighting & Electrical 05-12-2018, 07:32 PM
Replies: 8
Views: 322
Posted By rockp2
Most likely the clicking is coming from the relay...

Most likely the clicking is coming from the relay behind the glove box. If you lower the glove box door you can access it. There is a spring type lever in the upper left part of the glove box that...
Forum: 2nd Gen S-series (1995-2005) Tech 05-11-2018, 05:34 PM
Replies: 5
Views: 224
Posted By rockp2
I know most won't be interested in this but I...

I know most won't be interested in this but I thought I'd post for folks like me who like to know what makes everything tick. :)
Forum: General Chat 05-11-2018, 01:57 PM
Replies: 11
Views: 496
Posted By rockp2
The link in my signature block will take you to...

The link in my signature block will take you to the thread Christine is referring to. Follow Captain Hook's directions. In the meantime, disconnect the MAF sensor and see if that makes a...
Forum: 2nd Gen S-series (1995-2005) Tech 05-11-2018, 12:21 PM
Replies: 5
Views: 234
Posted By rockp2
A Transfer Case Selector Switch Fix

Recently my 3-button Transfer Case Selector Switch had been mysteriously cutting off (no lights). Removing the switch I found the connector that has the primary applied power feed seemed to be...
Forum: 2nd Gen S-series (1995-2005) Tech 05-11-2018, 11:56 AM
Replies: 5
Views: 224
Posted By rockp2
Known Good IAC Waveform For Those Interested

So for any interested I thought I would post an image of the waveform of my Idle Air Control valve so you could see how the VCM is controlling it during a “Key On” event for a “Known Good” IAC.
...
Forum: Engine & Transmission 05-10-2018, 02:06 PM
Replies: 3
Views: 220
Posted By rockp2
He did replace his cat with a straight pipe. ...

He did replace his cat with a straight pipe. Which I do not recommend at all, but that would take away the clogged cat possibility. Thought the exhaust could be clogged further downstream, in which...
Forum: 2nd Gen S-series (1995-2005) Tech 05-09-2018, 07:38 PM
Replies: 13
Views: 323
Posted By rockp2
If your vacuum is surging when your engine is,...

If your vacuum is surging when your engine is, that would be ok. As the throttle plate opens vacuum decreases. This strikes me as more of an effect, not a cause. I would do a compression test at...
Forum: Engine & Transmission 05-08-2018, 02:42 PM
Replies: 20
Views: 538
Posted By rockp2
Check the ECM B fuse in the under hood fuse block.

Check the ECM B fuse in the under hood fuse block.
Forum: 2nd Gen S-series (1995-2005) Tech 05-07-2018, 06:56 PM
Replies: 16
Views: 700
Posted By rockp2
P1351 indicates an open problem effecting your...

P1351 indicates an open problem effecting your Ignition Control Module. I doubt your distributor cap has anything to do with it. Your problem more than likely resides with either your ICM or an...
Forum: Steering, Suspension & Drivetrain 05-07-2018, 05:38 PM
Replies: 17
Views: 703
Posted By rockp2
Yes, they can squeak if they go bad.

Yes, they can squeak if they go bad.
Forum: Engine & Transmission 05-07-2018, 03:08 PM
Replies: 20
Views: 538
Posted By rockp2
If you are not getting power to the relay (it...

If you are not getting power to the relay (it would click on when you first turn the key on and off in a 2 second span), that means the VCM is not controlling the relay. I would suspect the ignition...
Forum: 2nd Gen S-series (1995-2005) Tech 05-07-2018, 12:00 PM
Replies: 80
Views: 2,431
Posted By rockp2
Hey George, hope my comments aren't being taken...

Hey George, hope my comments aren't being taken as offensive. No offense taken by me at all as one of the "posters" :). I have no problem being found wrong in the course of helping the OP. I've...
Forum: 2nd Gen S-series (1995-2005) Tech 05-07-2018, 12:49 AM
Replies: 80
Views: 2,431
Posted By rockp2
Hey George, Under normal circumstances I agree...

Hey George,
Under normal circumstances I agree with the source of power. However, as in the example of the video I explained, that one broken ground wire thru everything into a tizzy. Things were...
Forum: 2nd Gen S-series (1995-2005) Tech 05-06-2018, 10:00 PM
Replies: 80
Views: 2,431
Posted By rockp2
Tajohns, I was looking at the pin outs for my BCM...

Tajohns, I was looking at the pin outs for my BCM and noticed the passenger door jamb pin out was right next to the lift glass release switch and that triggered a memory. I watched a video awhile...
Forum: 2nd Gen S-series (1995-2005) Tech 05-06-2018, 08:33 PM
Replies: 80
Views: 2,431
Posted By rockp2
Am I correct that this all started when you...

Am I correct that this all started when you sprayed PB blast in the door mechanism? There is a circuit for the door actuator there. Maybe created a short that freaked out your BCM? Might want to...
Forum: Engine & Transmission 05-06-2018, 08:09 PM
Replies: 20
Views: 538
Posted By rockp2
Once it's running the oil pressure switch should...

Once it's running the oil pressure switch should keep the pump running even if the relay fails. Have you had your battery load tested? A battery on its way out can cause freaky stuff.
Forum: 2nd Gen S-series (1995-2005) Tech 05-06-2018, 07:44 PM
Replies: 16
Views: 700
Posted By rockp2
When you first turn the key, do you get the ~2...

When you first turn the key, do you get the ~2 second prime? If so, do a good visual inspection of your fuel lines (especially right under the pinch weld on your firewall) and the fuel...
Forum: Engine & Transmission 05-06-2018, 06:46 PM
Replies: 20
Views: 538
Posted By rockp2
After the first two seconds of turning the key...

After the first two seconds of turning the key the VCM will cut off the relay until it gets an RPM signal from the CKP sensor. Does the pump do the 2 second prime? If so, crank your engine while...
Forum: Engine & Transmission 05-03-2018, 06:50 PM
Replies: 11
Views: 551
Posted By rockp2
More than one way to skin this cat, but...

More than one way to skin this cat, but personally I drop the trans before I remove the engine.
Forum: Engine & Transmission 05-01-2018, 06:22 PM
Replies: 1
Views: 196
Posted By rockp2
I'd say your engine mount(s) are bad and need to...

I'd say your engine mount(s) are bad and need to be replaced. The stock ones suck and are prone to failure. Not a fun job at all. I put polyurethane ones on mine and they go on a hell of a lot...
Forum: 2nd Gen S-series (1995-2005) Tech 04-30-2018, 04:17 PM
Replies: 8
Views: 213
Posted By rockp2
It doesn't need to be welded if you get the right...

It doesn't need to be welded if you get the right one. Just go to the auto parts store and tell them about your vehicle. They will give you the right cat. Any other option besides replacing the...
Forum: 2nd Gen S-series (1995-2005) Tech 04-30-2018, 04:09 PM
Replies: 6
Views: 233
Posted By rockp2
Any auto parts store you go to will give you the...

Any auto parts store you go to will give you the proper catalytic converter (as long as you don't get a universal one). Just have to give them your year, make, model, engine size and possibly the...
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