Pennock's Fiero Forum
  Technical Discussion & Questions
  3500 / 3900 Wiring harness questions

Post New Topic  Post A Reply
Email This Page to Someone! | Printable Version


next newest topic | next oldest topic
3500 / 3900 Wiring harness questions by fierocarparts
Started on: 11-09-2013 01:18 AM
Replies: 2 (393 views)
Last post by: fierocarparts on 11-16-2013 12:05 PM
fierocarparts
Member
Posts: 2552
From: Dallas-Fort Worth TEXAS
Registered: Feb 2009


Feedback score:    (66)
Leave feedback

Rate this member

Report this Post11-09-2013 01:18 AM Click Here to See the Profile for fierocarpartsClick Here to Email fierocarpartsSend a Private Message to fierocarpartsEdit/Delete MessageReply w/QuoteDirect Link to This Post
Started working on my harness for my LZ9 with factory settings to start with.
Having the FSM for both donor and Fiero helps a LOT and the feedback from someone that has done it helps to not "reinvent the wheel".
I figured I'd post here instead of clogging up someone's email.
Just beginning, but doesn't look impossible.
Will post progress to possibly help others. There are some more advanced with Turbos and most have bypassed the VVT, but I want to start out stock.
I've found posts on installs so far
http://www.fiero.nl/forum/A...130314-2-114166.html
http://www.fiero.nl/forum/Forum2/HTML/124591.html

[This message has been edited by fierocarparts (edited 11-09-2013).]

IP: Logged
PFF
System Bot
ericjon262
Member
Posts: 2674
From: everywhere.
Registered: Jan 2010


Feedback score:    (10)
Leave feedback





Total ratings: 63
Rate this member

Report this Post11-09-2013 05:36 AM Click Here to See the Profile for ericjon262Send a Private Message to ericjon262Edit/Delete MessageReply w/QuoteDirect Link to This Post
it's really not as hard as everyone makes it out to be, it's just tedious. I made the harness for my 3500 F23 swap.

not for a Fiero, but the principles are the same for any swap harness,

http://www.thirdgen.org/tec...ow-prep-3rd-gen.html

http://www.thirdgen.org/tec...ss-start-finish.html

http://www.thirdgen.org/tec...rness-revisited.html


Edit:

there's also this:

http://www.gearhead-efi.com...98-GM-V6-PCM-pinouts

I haven't added any VVT V6 stuff yet, although I would imagine it's similar to the Atlas I6 info.

[This message has been edited by ericjon262 (edited 11-09-2013).]

IP: Logged
fierocarparts
Member
Posts: 2552
From: Dallas-Fort Worth TEXAS
Registered: Feb 2009


Feedback score:    (66)
Leave feedback

Rate this member

Report this Post11-16-2013 12:05 PM Click Here to See the Profile for fierocarpartsClick Here to Email fierocarpartsSend a Private Message to fierocarpartsEdit/Delete MessageReply w/QuoteDirect Link to This Post
Learned one thing quickly. It is a LOT easier to start with a V-6 harness in a V-6 car.
Got bogged down in trying to make a 4-cyl harness work.
First part of basic on the LZ9 harness is Pink= switched 12v, red/wht= constant 12v.

A Manual Trans Upshift Light TAN/BLK
B From FP Fuse to Oil Switch/Relay ORG/BLK
C From ECM to CE/SES lamp BRN/WHT
D AC Cycle switch to clutch coil LT BLUE
E Oil Pressure Sender to Gauge TAN/BLK
F From ECM IGN Fuse to ECM PNK/BLK
G VSS Sender to Speedo YEL
H VSS signal from speedo to ECM BRN
I N/C
J From TBI INJ1 Fuse to INJ 2-4-6 PNK/WHT
K From TBI INJ1 Fuse to INJ 1-3-5 PNK/BLK
L From Fuel Pump to Relay and oil switch TAN/WHT
M Instrument Panel Ground BLK/WHT
N AC Relay to Clutch switch BLK
O N/C
P From Brake Switch to TCC PPL
Q N/C
R VSS Sender to Speedo PPL

[This message has been edited by fierocarparts (edited 11-22-2013).]

IP: Logged

next newest topic | next oldest topic

All times are ET (US)

Post New Topic  Post A Reply
Hop to:

Contact Us | Back To Main Page

Advertizing on PFF | Fiero Parts Vendors
PFF Merchandise | Fiero Gallery | Ogre's Cave
Real-Time Chat | Fiero Related Auctions on eBay



Copyright (c) 1999, C. Pennock