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by DPDISXR4Ti
Sun Aug 07, 2022 2:54 pm
Forum: FAQ - Frequently Asked Questions
Topic: Alternator Bench Test
Replies: 2
Views: 144

Re: Alternator Bench Test

Some real-world data-points testing a couple original Bosch alternators from Scorpios... Diode test yielded .948 & .931 microvolts, which is probably within spec. For the voltage test I couldn't spin the alternator up fast enough with my drill to yield any charging voltage and turn the bulb out....
by DPDISXR4Ti
Sat Aug 06, 2022 6:29 pm
Forum: Scorpio
Topic: Alternate Alternator Upgrade - Nissan/Infiniti
Replies: 197
Views: 53079

Re: Alternate Alternator Upgrade - Nissan/Infiniti

I can't believe that Brad. Just the dang bracket and mounting gets the alternator to ground. You're right Dean, but first thing I did any way was ran a heavy jumper cable between the alternator case and the battery ground. No change - battery light goes dim once the engine is started and 9V measure...
by DPDISXR4Ti
Sat Aug 06, 2022 11:31 am
Forum: Scorpio
Topic: Alternate Alternator Upgrade - Nissan/Infiniti
Replies: 197
Views: 53079

Re: Alternate Alternator Upgrade - Nissan/Infiniti

Some new insight.... AUTOSPARK said: Your earlier voltage measurements on the car show that there is no voltage output from the warning light terminal of the alternator. Whether it's been 7.8, 8.8, or 9V, those are all essentially the same, and coming from the car side of the equation. This diagram ...
by DPDISXR4Ti
Sat Aug 06, 2022 10:07 am
Forum: Scorpio
Topic: Alternate Alternator Upgrade - Nissan/Infiniti
Replies: 197
Views: 53079

Re: Alternate Alternator Upgrade - Nissan/Infiniti

It would be hilarious if your fuse block mods had some involvement in that matter... Oh, I've absolutely considered that. From my earlier tests there was zero voltage drop from the battery through the fuse block and on to pin 30 of the Engine Run Relay. There's a miniscule .02V drop across the main...
by DPDISXR4Ti
Fri Aug 05, 2022 8:09 pm
Forum: Scorpio
Topic: Alternate Alternator Upgrade - Nissan/Infiniti
Replies: 197
Views: 53079

Re: Alternate Alternator Upgrade - Nissan/Infiniti

Nothing like a herniated disc to slow down this project, but I was finally mobile enough today to do my bench testing. Group 65 (truck) Battery measured 12.63V at test start. The 110A Mitsubishi made 12.95V when spun up and the bulb went right out as it should. Monitoring the voltage on either side ...
by DPDISXR4Ti
Fri Aug 05, 2022 2:35 pm
Forum: FAQ - Frequently Asked Questions
Topic: Alternator Bench Test
Replies: 2
Views: 144

Re: Alternator Bench Test

Here's a good video that describes how to do Diode test. He's doing this one with the alternator attached to the engine, but he basically turns it into a bench test by disconnecting the power to the alternator.

https://www.youtube.com/watch?v=dhf6IdBbE3Y
by DPDISXR4Ti
Fri Aug 05, 2022 1:47 pm
Forum: Scorpio
Topic: Volvo Fused Power Distribution Box & Refreshing Major 12V Connections
Replies: 15
Views: 736

Re: Volvo Fused Power Distribution Box & Refreshing Major 12V Connections

You'll want to remove the left lower dash piece (the one the lamp-out module is clipped to - it is already removed in the pic you posted) and the steering column shrouds. You can then follow the red power feed from the ignition switch down to the first big splice it meets, which is S1004. You may h...
by DPDISXR4Ti
Tue Aug 02, 2022 2:40 pm
Forum: Scorpio
Topic: Scorpio High Idle🙄
Replies: 35
Views: 745

Re: Scorpio High Idle🙄

Both of them are 8GHB. The later one I've got in the car now is a 8GHC. I'm assuming that was the last calibration done for the North American Scorpio. I've never had a stuck high idle since upgrading to that one. Not sure if you saw but we had a pretty lengthy conversation on this topic here... ht...
by DPDISXR4Ti
Tue Aug 02, 2022 11:32 am
Forum: FAQ - Frequently Asked Questions
Topic: Alternator Bench Test
Replies: 2
Views: 144

Alternator Bench Test

Have a used alternator on the shelf but not sure if it works? Did you pick one up from the junkyard but want to make sure it works before putting into service? Dean recently posted this in a thread regarding using a Nissan spec alternator in a Scorpio and I thought it was worth having as it's own to...
by DPDISXR4Ti
Tue Aug 02, 2022 11:17 am
Forum: Scorpio
Topic: Scorpio High Idle🙄
Replies: 35
Views: 745

Re: Scorpio High Idle🙄

I haven’t opened them, not really sure what I’d be looking for . I’m assuming the catch code is the ECU code like LA3 /PE etc? Once you open up the case just look for the two or three blue/green colored capacitors. Google "Ford Capacitor Leak". You'll be reading all day. The Scorpio catch...
by DPDISXR4Ti
Mon Aug 01, 2022 9:37 pm
Forum: Scorpio
Topic: Scorpio High Idle🙄
Replies: 35
Views: 745

Re: Scorpio High Idle🙄

Late to the dance on this one - glad to hear you solved it.

That said, have you pulled the EEC-IV PCM to check the integrity of the capacitors? We should all be doing that. While you've got it out, tell us the catch code. Since switching to the later PCM I have not had a high idle condition.
by DPDISXR4Ti
Mon Aug 01, 2022 7:51 pm
Forum: Scorpio
Topic: Liftgate Release (Hatch lock) failure trouble-shooting
Replies: 41
Views: 12419

Re: Liftgate Release (Hatch lock) failure trouble-shooting

Hey, this looks pretty damn close to the (now) rare microswitch described above: https://www.ebay.ie/itm/174954497201?fits=Car+Make%3AFord&hash=item28bc19c4b1:g:qJYAAOSw0jVhUKbj and another: https://www.ebay.ie/itm/255410774788?hash=item3b77ab2304:g:5BwAAOSwXSxiHR0k Anybody tried this route? I ...
by DPDISXR4Ti
Sat Jul 30, 2022 2:51 pm
Forum: Scorpio
Topic: Alternate Alternator Upgrade - Nissan/Infiniti
Replies: 197
Views: 53079

Re: Alternate Alternator Upgrade - Nissan/Infiniti

I got some counsel from a guy in Scotland on one more test to do. What I would do to confirm that the warning light circuit is working properly is disconnect the alternator harness connector and use a length of wire to link the warning light terminal of the connector to the alternator main power sup...
by DPDISXR4Ti
Fri Jul 29, 2022 5:52 pm
Forum: Scorpio
Topic: Alternate Alternator Upgrade - Nissan/Infiniti
Replies: 197
Views: 53079

Re: Alternate Alternator Upgrade - Nissan/Infiniti

Today I tried to focus on everything coming in and out of the Engine Run Relay. And yes, I had already tried another relay. Integrity of ground from relay socket pin 85 to G1005 is good. Integrity of G1005 ground to battery and an assortment of ground locations (including alternator case) is good In...
by DPDISXR4Ti
Fri Jul 29, 2022 9:03 am
Forum: General Discussion & Intro Forum
Topic: Greetings & 8.8 IRS
Replies: 10
Views: 279

Re: Greetings & 8.8 IRS

Correct, I'm no stranger to fabrication. And yes to the S/C 8.8 but I'm not sure if it'd have to be limited to that unless I find someone to get off a system like David Godfrey made (that may dictate what diff to use). Not thrilled with the time it takes to develop all myself and then the concern a...