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Old 05-14-2018, 03:35 PM   #1
cityhawk
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1993 SW2
Default Firewall

I'm trying to hook up an external cigarette lighter to Power a multiplexer charger. I want to run the lighter's red wire to the positive terminal on the battery. This wire has a built-in fuse in that line. I was hoping to find a hole that was already in the firewall that I could run the wire through but nothing seemed obvious as a good choice. Not to mention the fact that the eyelet for this wire along with the inline fuse had to fit through such a hole. Given that there wasn't a hole on the driver's side, I purchased some extra wire that I could splice into that line, which gives me some length to work with so I don't have to run the wire through the driver side close to the battery. It also means that I only have to run the thickness of the wire through and won't need to fit the fuse for the eyelet through the hole (ie I can work with a much smaller hole).

Any of you who have done this have a recommendation for a hole that I can find easily on both sides of the firewall and run such a wire through?

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Old 05-14-2018, 03:46 PM   #2
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2002 SC2
1998 SL2
Default Re: Firewall

There's a pic in the first post here . . . I have wires running through that (from the PO, not my work) for some stereo that was removed before I bought it

http://www.saturnfans.com/forums/showthread.php?t=25323

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Old 05-14-2018, 04:24 PM   #3
cityhawk
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1993 SW2
Default Re: Firewall

Thanks, aloc. Is everyone referring to that big rubber grommet where the 1/2 inch thick cluster of wires goes through?

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Saturns:
1993 SW2 MT 204,000 hard Boston city miles ("Rozzie")
Gone but not forgotten:
2001 LW300 ("Elle")
1999 SW2 MT
Project cars:
1966 Corvair Monza convertible
1928 Ford Model A Tudor Sedan

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Old 05-14-2018, 07:30 PM   #4
SRGW
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1997 SL1
Post Re: Firewall

Yes
0 Prefab: solder a ring terminal to a wire fuse holder. Solder and heat shrink the other end to a 14 gauge wire.
1 Remove cover to under hood fuse panel.
2 Look to the far right and you will see a red wire from the + battery terminal.
3 Remove fuse from fuse holder.
4.Loosen the bolt and hookup the ring terminal, tighten bolt.
5 Run wire next to main harness through grommet into car.
6 Remove fuse from passenger fuse panel for cigarette lighter.( 1995 was door locks fuse)
7 Remove cover from drivers side fuse panel area and look behind lighter for orange wire. (1995 color may vary)
8 Cut orange wire solder and heat shrink 14 gauge to lighter side of orange wire, tape up other end.
9 Install fuse near under hood fuse panel and wire tie installation.
This is how I did both of my SL1's
Eliminating possible F5 problem

1995 SL1 235,000 Well Oiled!!
1997 SL1 63,890 Just A Teenager!!
CHECK YOUR OIL!!

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