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#1072206 - 10/08/21 10:56 AM Hiding wires in engine bay  
Joined: Jul 2016
Posts: 17
Gene2000 Offline
Junior Member
Gene2000  Offline
Junior Member

Joined: Jul 2016
Posts: 17
Portsmouth, VA
Hello
I have a 1986 Monte Carlo. I swapped a LS 5.3 engine in my car. Im installing the Holley Terminator X Max system. I’m starting to clean up the engine bay the drives side look good but the passenger side has wires everywhere.

I dropped the fender well and installed the wires through the fire wall. They all fit but it’s so many wires going through the fire wall. Is there another place on the fire wall I can cut And run the wires through?? If I go in behind the motor seems like the best place to cut a hole, because most of the wires come from that area.

Let me no what you think.

#1072207 - 10/08/21 01:15 PM Re: Hiding wires in engine bay [Re: Gene2000]  
Joined: Mar 2000
Posts: 5,651
upflying Offline
20+ Year
upflying  Offline
20+ Year
Member

Joined: Mar 2000
Posts: 5,651
Reno, NV
Many of the wires on the passenger side are related to the HVAC system. Are you still running AC? If not, clean things up with a heat only blower or a block-off plate. To eliminate uneeded wires, you should invest in a GM Electrical Diagnosis manual, found on ebay for $20 or so.
Be careful when shoving bundles through a firewall, lots of sharp edges will cut insulation and cause a short or fire.


86 MCSS Notchback coupe, LS3, 4L65E, QP 9", Eaton Truetrac, 4 wheel disc, column shift, Dakota Digital, silver with maroon bench interior

#1072212 - 10/09/21 02:07 AM Re: Hiding wires in engine bay [Re: Gene2000]  
Joined: Dec 1999
Posts: 11,898
86ttop Offline
20+ Year
86ttop  Offline
20+ Year
Member

Joined: Dec 1999
Posts: 11,898
Brooksville, Fl
the original CCC system wiring ran thru a boot on the passenger side firewall, behind the inner well, you can remove all that wiring if you haven't done so already, Good luck!


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