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NW LS4 build by Dogcreek
Started on: 04-01-2010 09:22 PM
Replies: 208
Last post by: Dogcreek on 07-16-2010 12:55 AM
Isolde
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Report this Post07-14-2010 04:43 AM Click Here to See the Profile for IsoldeSend a Private Message to IsoldeDirect Link to This Post
 
quote
Originally posted by Dogcreek:

"Dainty little princesses" LOL Good one Aaron! You always crack me up!!

Jeff


I second that.
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dobey
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Report this Post07-14-2010 01:15 PM Click Here to See the Profile for dobeySend a Private Message to dobeyDirect Link to This Post
 
quote
Originally posted by Fieroking:
The reason for using relay's is, the relay can carry a heavier Amp Load. The switches in the GXP column provide a path to ground for the relays coil, The contacts in the relay carry the load this way I don't burn out the GXP column switches that are dainty little princesses.

I don't know the amp loads but as an example the fuse for the turn signal/ backup lights is 20 amps. Most automotive relays can carry 15 amps with no problem. The main relays in the power circuit Aux and Run are rated at 30 amps.


I know what relays are for. I was just hoping there was a little more clarity on whether or not they were actually needed in this specific application, but it seems there isn't. I wasn't planning on adding any additional relays here, as you did, so I'm curious as to what the real numbers would say about it. But if there's no real information on whether or not they're necessary, that's fine. I'm not trying to argue or anything, just wondering how much information there is on it.

For what it's worth, the Haynes manual for my S-10 (99), suggests in the wiring diagrams in the back, that there aren't any additional relays in the circuit, beyond the normal headlamp relays. But it and the GXP have DRL also, so perhaps the normal circuit is just sufficiently different in that area? The S-10 diagram suggests there are probably 10 amps normally going through the turn signal switch (with a 15 amp fuse); and probably 15 going through the headlight switch itself, with a 20 amp fuse.
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Dogcreek
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Report this Post07-14-2010 09:04 PM Click Here to See the Profile for DogcreekClick Here to Email DogcreekSend a Private Message to DogcreekDirect Link to This Post
AND... the beautiful thing is that Joe has all of the electrical junk clicking along! It all works!! WOO HOO!!!

Jeff
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Fieroking
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Report this Post07-15-2010 01:09 AM Click Here to See the Profile for FierokingClick Here to visit Fieroking's HomePageClick Here to Email FierokingSend a Private Message to FierokingDirect Link to This Post
Got the car back on it's wheels and decided to test the starter before my friend Brian came over with his HP Tuner software and DAM if it didn't start. She ran for 3 seconds and shut down. When Brian got here we were unable to get HP Tuners to talk to the car. Checked all the wiring it all checked out. So Brian called a friend who is a GM Tech. He seems to think that without the High Speed Bus connected to the Data Link Port that we would not be able to talk to the ECM. So a little more wiring tomorrow and I try again.

But the car Starts.

Joe Sokol (Jeff's builder)

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85 SE Daily driver with a 3.4 DOHC OBD II
88 Formula/GT 4.9 Allante Intake (My Baby)

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Fieroking
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Report this Post07-15-2010 01:29 AM Click Here to See the Profile for FierokingClick Here to visit Fieroking's HomePageClick Here to Email FierokingSend a Private Message to FierokingDirect Link to This Post
Dobey

The reason for the seven relays used to replace the Turn signal/Hazard switch is there are 7 inputs/outputs and 8 contacts in the Fiero column for the Turn/Hazard Switch and the GXP column provides 4 outputs. Look at the Fiero wiring diagrams (NOT Haynes) and you will see how complex that switch is.

Joe Sokol


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85 SE Daily driver with a 3.4 DOHC OBD II
88 Formula/GT 4.9 Allante Intake (My Baby)

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ManMadeChickens
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Report this Post07-15-2010 03:55 AM Click Here to See the Profile for ManMadeChickensClick Here to Email ManMadeChickensSend a Private Message to ManMadeChickensDirect Link to This Post
 
quote
Originally posted by Fieroking:


Look at the Fiero wiring diagrams (NOT Haynes) and you will see how complex that switch is.




Oh, god... I am fully aware of the validity of that statement! I am wiring up a Fiero race car, and it's column switches were shot. I decided to "just throw them onto a switch panel." That project took the better part of two nights of mapping, and splicing, and another night of tracing the last few issues. Ick... they could have done better in wiring it up I think.

I'll be seeing you all at NWFF again this year. Looking forward to it!

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aaronkoch
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Report this Post07-15-2010 11:44 AM Click Here to See the Profile for aaronkochClick Here to Email aaronkochSend a Private Message to aaronkochDirect Link to This Post
Awesome guys, now hurry up and get yer car out of Joe's garage, I need him to build me an exhaust here pretty quick.


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Currently in the middle of my 88 + 3800NA swap

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dobey
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Report this Post07-15-2010 12:53 PM Click Here to See the Profile for dobeySend a Private Message to dobeyDirect Link to This Post
 
quote
Originally posted by Fieroking:
The reason for the seven relays used to replace the Turn signal/Hazard switch is there are 7 inputs/outputs and 8 contacts in the Fiero column for the Turn/Hazard Switch and the GXP column provides 4 outputs. Look at the Fiero wiring diagrams (NOT Haynes) and you will see how complex that switch is.


I've already ceded that I'll probably end up rewiring the whole car anyway. If I have to start off in that direction, with the wiring for the lights/signals/wipers, I don't have any real qualms with it, aside from having to not drive my car while it's being done, since it's definitely not a 30 minute job. I was just hoping I could make an appropriate harness plug/adapter to just plug it into the existing wiring, for the time being, until I got around to needing to do more complex wiring work (like when I get ready to drop in the LS4).
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Dogcreek
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Report this Post07-16-2010 12:55 AM Click Here to See the Profile for DogcreekClick Here to Email DogcreekSend a Private Message to DogcreekDirect Link to This Post
Soon Aaron Soon!! And I will be there for moral support as always!! We are getting sooo close... wait for it...wait for it.... LOL

Jeff
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