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Search: Posts Made By: bobxyz
Forum: performance & modifications Yesterday, 07:32 PM
Replies: 15
Views: 434
Posted By bobxyz
Sounds like you found the right wire, just minus...

Sounds like you found the right wire, just minus the fuse holder. To make sure, measure the resistance between the cut off red wire end and the same size red wire on the 6-pin relay connector. It...
Forum: performance & modifications Yesterday, 06:55 PM
Replies: 15
Views: 434
Posted By bobxyz
blade fuse holder is something like this:...

blade fuse holder is something like this: https://www.240turbo.com/volvoharnesses.html#3515919
Forum: performance & modifications Yesterday, 08:56 AM
Replies: 15
Views: 434
Posted By bobxyz
OK, if I hover over the left/right sides of your...

OK, if I hover over the left/right sides of your above pictures, I see the little forward/backward arrows. The 6-pin connector is for the main big white relay (combined system relay and fuel pump...
Forum: performance & modifications 03-19-2019, 08:37 PM
Replies: 15
Views: 434
Posted By bobxyz
Oh, you have the 9-pin connector (instead of 3x4...

Oh, you have the 9-pin connector (instead of 3x4 or 2x12 versions). See if the wire colors match the drawing here: https://forums.turbobricks.com/showpost.php?p=4932320&postcount=45

I think this...
Forum: performance & modifications 03-18-2019, 10:44 PM
Replies: 15
Views: 434
Posted By bobxyz
What year is you 240 harness from? Does it...

What year is you 240 harness from?

Does it have a white 3x4 pin connector housing (with one empty hole) near the ECU and EZK connectors? You'll need to splice in some wires to that connector -...
Forum: maintenance & nonperformance 03-18-2019, 10:36 PM
Replies: 45
Views: 1,150
Posted By bobxyz
The fat green wire going to pin 24 is a shielded...

The fat green wire going to pin 24 is a shielded wire -- there's an inner wire, a layer of insulation, a tube of wire (the shield) and then the outer insulation. The inner wire goes to pin 24 (O2...
Forum: maintenance & nonperformance 03-17-2019, 10:45 PM
Replies: 10
Views: 323
Posted By bobxyz
Ask your local law enforcement folks about this. ...

Ask your local law enforcement folks about this. They'll probably tell you some good tales of young kids trying to avoid the police. The kids successful got away briefly, pulled into a driveway,...
Forum: performance & modifications 03-17-2019, 10:24 PM
Replies: 15
Views: 434
Posted By bobxyz
I'm not familiar with 740's. Can you find a 740...

I'm not familiar with 740's. Can you find a 740 LH2.4 harness that will swap in easily? If so, the PNP kit should work fine -- the original EZK gets replaced with a pass-through connector, and the...
Forum: maintenance & nonperformance 03-17-2019, 05:58 PM
Replies: 5
Views: 176
Posted By bobxyz
Do these help? (click on image for slightly...

Do these help? (click on image for slightly bigger versions)
https://preview.ibb.co/gPUpB5/85-vs-93-PS-pump.jpg (https://ibb.co/fstGr5)
https://preview.ibb.co/bwHM65/93-AC-parts4.jpg...
Forum: aftermarket engine management 03-16-2019, 05:59 PM
Replies: 16
Views: 546
Posted By bobxyz
Try changing the polarity of the "Ignition Input...

Try changing the polarity of the "Ignition Input Capture" edge. This will shift timing by ~7degrees, but may give a better sync for MS. (Problems can occur if the cam edge and the crank edge are on...
Forum: maintenance & nonperformance 03-14-2019, 07:48 PM
Replies: 10
Views: 320
Posted By bobxyz
Unless regina uses something weird, the CPS is a...

Unless regina uses something weird, the CPS is a non-contact magnetic sensor -- it's just a coil of wire, wound around an iron slug, plus a magnet. I don't think a little oil on the tip of it would...
Forum: aftermarket engine management 03-14-2019, 07:18 PM
Replies: 16
Views: 546
Posted By bobxyz
Check that "Spark A Output Pin" is set to IGN1...

Check that "Spark A Output Pin" is set to IGN1 (and not WLED).

Or, if IGN1 isn't working, I guess you could change the setting and rewire it to use the WLED wire for sparkA bank. You'll need a...
Forum: performance & modifications 03-13-2019, 11:52 PM
Replies: 4
Views: 329
Posted By bobxyz
What's your car and what engine did you swap in? ...

What's your car and what engine did you swap in?

CPS is simply a coil of wire, an iron slug, and a magnet. There are 3 wires, one is a shield that shouldn't be connected to anything. The other 2...
Forum: performance & modifications 03-13-2019, 11:46 PM
Replies: 19
Views: 964
Posted By bobxyz
^^^ ask your mechanic about LS, for those where...

^^^ ask your mechanic about LS, for those where OEM doesn't cut it anymore....
Forum: performance & modifications 03-12-2019, 08:55 PM
Replies: 4
Views: 329
Posted By bobxyz
Are you measuring across the 2 coil spade...

Are you measuring across the 2 coil spade connectors, or measuring each one to ground? If you're measuring across the connectors, then that should be 0 volts when the engine is not running and coil...
Forum: performance & modifications 03-12-2019, 07:33 PM
Replies: 8
Views: 311
Posted By bobxyz
You also need to cut the WOT wire to the TPS, or...

You also need to cut the WOT wire to the TPS, or so the stories go.
Forum: performance & modifications 03-12-2019, 07:28 PM
Replies: 19
Views: 964
Posted By bobxyz
So what's it mean when the lines cross at ~5800...

So what's it mean when the lines cross at ~5800 rpm instead of 5252 rpm?
Forum: maintenance & nonperformance 03-09-2019, 01:35 AM
Replies: 20
Views: 853
Posted By bobxyz
I had a very hard time getting my torque...

I had a very hard time getting my torque converter to fully seat. It took me 40+ minutes, plus a timeout for excess frustration. All I can say is that if you're not sure it's fully seated, then it...
Forum: maintenance & nonperformance 03-09-2019, 01:21 AM
Replies: 75
Views: 2,200
Posted By bobxyz
Well, I'm confused by your measurements. They're...

Well, I'm confused by your measurements. They're not what I expected. Out of the bunch, the only one that seems good, as in the circuit is good, is the 13ohms.

The pin 1 measurements that...
Forum: maintenance & nonperformance 03-08-2019, 08:47 PM
Replies: 75
Views: 2,200
Posted By bobxyz
#2 mis-wired in harness??? With engine off,...

#2 mis-wired in harness???

With engine off, unplug all 4 injectors. The ECU side of each injector connector should be wired together; the other side goes to individual resistors in the R-pack. ...
Forum: showroom 03-07-2019, 03:15 PM
Replies: 23
Views: 783
Posted By bobxyz
Try a home depot search for something like: "TV...

Try a home depot search for something like: "TV Mount" or "Monitor Arm", and see if it can be adapted to your needs.
Forum: maintenance & nonperformance 03-07-2019, 12:54 AM
Replies: 75
Views: 2,200
Posted By bobxyz
Great news! Just need to find the emoji for the...

Great news! Just need to find the emoji for the Happy Volvo Dance. :)

Since it sounds like you have the tool to de-pin the connectors easily, I'd certainly de-pin and inspect the crimps on the...
Forum: maintenance & nonperformance 03-06-2019, 01:25 AM
Replies: 3
Views: 224
Posted By bobxyz
What year? And do you know if it's Regina or...

What year? And do you know if it's Regina or LH2.4?

For the LH2.4 setup, the 2-pin thingy in the corner of the pre-turbo intake air elbow is a heater element for the PCV hose -- it's supposed to...
Forum: maintenance & nonperformance 03-06-2019, 12:15 AM
Replies: 75
Views: 2,200
Posted By bobxyz
Oh my, sorry to hear that it was almost working...

Oh my, sorry to hear that it was almost working and then misbehaved again. At least you're not paying a shop $100/hour for them to have the same problems, and to eventually return it to you un-fixed...
Forum: aftermarket engine management 03-05-2019, 10:28 PM
Replies: 12
Views: 370
Posted By bobxyz
Here's some additional info: For the CPS, I...

Here's some additional info:

For the CPS, I couldn't find my notes showing "standard" polarity. If you're working off of someone else's MS setup, make sure that you have the same wiring (CPS pin...
Forum: maintenance & nonperformance 03-05-2019, 08:53 PM
Replies: 75
Views: 2,200
Posted By bobxyz
Looks OK. The DB harness has a fuse and a big...

Looks OK. The DB harness has a fuse and a big red wire to the battery in the engine compartment, correct? Some years of the Volvo harnesses have that, and others route the main battery red wires...
Forum: maintenance & nonperformance 03-05-2019, 09:42 AM
Replies: 75
Views: 2,200
Posted By bobxyz
From the '85 240 Wiring Greenbook, the ignition...

From the '85 240 Wiring Greenbook, the ignition switch wires are:
- big Red: Battery +12v (ign sw pin 30)
- big Yellow: Accessories position, to fuses 1,2,3 (ign sw pin X)
- big Blue/Yellow:...
Forum: aftermarket engine management 03-04-2019, 04:06 PM
Replies: 12
Views: 370
Posted By bobxyz
I don't have my notes here, but the polarity does...

I don't have my notes here, but the polarity does matter (or at least if you want to copy a standard MS setup). You want the polarity and the MS trigger edge setup so that the MS triggers on the...
Forum: performance & modifications 03-04-2019, 12:55 PM
Replies: 9
Views: 577
Posted By bobxyz
You first want to align the timing belt normally...

You first want to align the timing belt normally (crank & cam marks on top, aux marks to right). Then make sure that the CAS disk isn't flipped over (find a picture that shows the disk and D-shaped...
Forum: maintenance & nonperformance 03-02-2019, 02:30 PM
Replies: 45
Views: 1,150
Posted By bobxyz
The problem with intermittent electrical issues...

The problem with intermittent electrical issues is that they're hard to track down when not in the fully failed state. If the wiring connections are loose, or corroded, or shorting out, sometimes...
Forum: performance & modifications 03-02-2019, 01:15 PM
Replies: 9
Views: 487
Posted By bobxyz
The Microsquirt Hardware Manual lists those pins...

The Microsquirt Hardware Manual lists those pins as 3A max, so it should be fine. The little cube relays draw around 120mA (0.12A), and I'd expect the Volvo relay to be about the same. 3A is not...
Forum: article composition 02-28-2019, 09:17 PM
Replies: 456
Views: 205,693
Posted By bobxyz
I've never installed one of these, but since no...

I've never installed one of these, but since no one else has replied, I'll take a guess.

Your 7volt / 8volt whatever measurements are way too high. I think those should be logic level outputs...
Forum: maintenance & nonperformance 02-28-2019, 09:07 PM
Replies: 45
Views: 1,150
Posted By bobxyz
Doh! I was just going to run the...

Doh! I was just going to run the voltage-to-temperature numbers in a spreadsheet and realized that Art already added them to his first graph. I'll need to keep a copy of that graph!

So, for the...
Forum: maintenance & nonperformance 02-28-2019, 04:18 PM
Replies: 45
Views: 1,150
Posted By bobxyz
I'm at work, but I have a sketch of the CLT input...

I'm at work, but I have a sketch of the CLT input circuit on the ECU and EZK at home and will check your voltages later today. IIRC, the input circuit has a couple resistors off an internal 5volt...
Forum: maintenance & nonperformance 02-27-2019, 11:54 PM
Replies: 45
Views: 1,150
Posted By bobxyz
With sensor plugged in, the resistance between...

With sensor plugged in, the resistance between pin 13 and any ground should be the sensor resistance for the block temperature (900 or whatever ohms). pin 5 to any ground should be ~0 ohms. I think...
Forum: showroom 02-27-2019, 11:02 PM
Replies: 2,429
Views: 800,007
Posted By bobxyz
I'm not sure if this has been posted before...

I'm not sure if this has been posted before (search sux).

I was just browsing the Oz Volvo archives and found a great catalog with some cool old accessories and matching vintage prices. Download...
Forum: maintenance & nonperformance 02-27-2019, 10:47 PM
Replies: 45
Views: 1,150
Posted By bobxyz
The temperature sensor is actually 2 sensors in...

The temperature sensor is actually 2 sensors in one body - one pin goes to ECU, other pin goes to EZK, and the sensor grounds through the block. I've heard stories of grounding problems when using...
Forum: maintenance & nonperformance 02-23-2019, 11:49 AM
Replies: 22
Views: 764
Posted By bobxyz
I'll assume that you re-used the 240 engine...

I'll assume that you re-used the 240 engine wiring harness, correct?

What does the engine harness to cabin connector look like? It should be either a skinny long white connector, 2x12 pins, or a...
Forum: maintenance & nonperformance 02-22-2019, 09:42 PM
Replies: 22
Views: 828
Posted By bobxyz
Post a picture of your report and the experts...

Post a picture of your report and the experts here may be able to help with the NO.

For the evap controls, the only test they do here (Colorado) is to connect the gas cap to a tester and make sure...
Forum: maintenance & nonperformance 02-22-2019, 03:09 PM
Replies: 10
Views: 493
Posted By bobxyz
thermostat installed in correct direction???

thermostat installed in correct direction???
Forum: performance & modifications 02-20-2019, 12:53 AM
Replies: 16
Views: 596
Posted By bobxyz
From the archives:...

From the archives: http://forums.turbobricks.com/showthread.php?t=105192
(And Stoni/Dirk still seems active in Volvo's, but his web address has changed to: http://www.stonis-world.com/lh_ezk.html)
Forum: maintenance & nonperformance 02-20-2019, 12:50 AM
Replies: 28
Views: 1,451
Posted By bobxyz
I just ran across this link again while looking...

I just ran across this link again while looking at an old EZK thread:
http://www.stonis-world.com/sebconm.html

Try contacting Stoni and see if he can offer a suitable replacement for your EGT...
Forum: performance & modifications 02-19-2019, 10:09 PM
Replies: 16
Views: 596
Posted By bobxyz
Sorry, the wasted spark board is LH2.4/EZ116K...

Sorry, the wasted spark board is LH2.4/EZ116K only. It uses the conditioned signal from the 60-2 CPS and counts out which half of the revolution the crank is on. If it's the upper half, then the...
Forum: performance & modifications 02-19-2019, 09:22 PM
Replies: 16
Views: 596
Posted By bobxyz
OK, I looked at a '87 740 greenbook and see what...

OK, I looked at a '87 740 greenbook and see what you mean about the 3rd wire.

For LH2.2/EZ117K (turbo), I think the 3 wires are
- EZK-15 to ECU-12 Knock signal from EZK to ECU, grounded by EZK...
Forum: maintenance & nonperformance 02-19-2019, 08:31 PM
Replies: 28
Views: 1,451
Posted By bobxyz
As an educated guess, the circuit consists of: ...

As an educated guess, the circuit consists of:
- a LTC chip to compensate for the thermocouple junction (EGTC-2)
- a LTC op-amp to condition/boost the thermocouple signal (EGTC-1)
- a Signetics...
Forum: performance & modifications 02-19-2019, 08:17 PM
Replies: 16
Views: 596
Posted By bobxyz
I haven't gone through the details but looking at...

I haven't gone through the details but looking at a wiring diagram for an early 740T with LH2.2 ECU and a EZ117K versus a '93 240 with LH2.4 ECU and a EZ116K, they look similar. The pin numbers on...
Forum: performance & modifications 02-18-2019, 10:59 AM
Replies: 19
Views: 897
Posted By bobxyz
TERMINAL 11 TRICK FOR 240 TURBOS ...

TERMINAL 11 TRICK FOR 240 TURBOS
http://www.turbobricks.com/mods.php?content=art0021
Forum: maintenance & nonperformance 02-15-2019, 11:05 PM
Replies: 9
Views: 447
Posted By bobxyz
The simple test would be to jumper the relay so...

The simple test would be to jumper the relay so the pumps are energized and then measure the voltage at the pump connectors -- meter red lead to yellow wire, meter black to black. Does the meter...
Forum: maintenance & nonperformance 02-15-2019, 10:01 PM
Replies: 9
Views: 447
Posted By bobxyz
Yes, there's a + (yellow) and a - (black) post on...

Yes, there's a + (yellow) and a - (black) post on the pumps (clean the dirt off and you should see a + and a - embossed into the plastic at the base of the posts). +12v yellow or yellow/red wire...
Forum: performance & modifications 02-15-2019, 09:22 PM
Replies: 11
Views: 731
Posted By bobxyz
If you haven't seen it, there's a long thread...

If you haven't seen it, there's a long thread about cooling issues and plugs here:
http://forums.turbobricks.com/showthread.php?t=218895

IIRC, the rambling conclusion was that some blocks flex at...
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