battery in trunk, crappy start

onehot351 · March 3rd, 2008, 01:43 PM

i put the battery in the trunk and ran 1 power wire up to the sil, i self tapped the ground in the trunk,, just to the sheet metal, now when i start it, it takes forever, and its not charging the battery now, im confused.

ThrashN · March 3rd, 2008, 03:35 PM

I have mine in the back and have no problems.
I grounded to the quad shock bolt hole

ThreeHonks302 · March 3rd, 2008, 03:38 PM

ur ground is probably not efficient enought... make sure it is grounded to a bare piece of un painted metal. The frame is best and it shouldnt be a problem to run it down there... there should be a rubber grommet under the spare tire that will let you run the ground right under the car, without having to drill a hole

baine21225 · March 3rd, 2008, 04:43 PM

i have my battery in the trunk, i'll try and get some pics today, but yea, a sheet metal ground i dont think is going to cut it

stangfreak · March 3rd, 2008, 04:57 PM

i fought a ground problem and ended up running it all the way back up to the freakin' block!

ryans88gt · March 3rd, 2008, 05:25 PM

Put the battery back where is belongs

I moved my battery to the passenger side rather than relocate it to the trunk for this very reason (I had to move the battery to fit my procharger).

ThreeHonks302 · March 3rd, 2008, 05:27 PM

yea thats always an option too... lol but i know thats not what u wanna do, obviously. i just kept mine under the hood as i realized that i didnt want to create any problems that i dont have to deal with now

86_Notch · March 3rd, 2008, 06:51 PM

don't forget to run a ground strap from the engine block to the frame

Hunt_chevs · March 4th, 2008, 11:52 AM

Originally Posted by ThreeHonks302

ur ground is probably not efficient enought... make sure it is grounded to a bare piece of un painted metal. The frame is best and it shouldnt be a problem to run it down there... there should be a rubber grommet under the spare tire that will let you run the ground right under the car, without having to drill a hole

+1

Squints · March 4th, 2008, 04:28 PM

another good grounding point in any car is the seats. take one of the bolts loose from the frame and ground it there. even in a fiberglass vette. best place for it IMO.

ThreeHonks302 · March 4th, 2008, 05:59 PM

+1 ive heard many people relocating their battery successfully when they attach the ground to the seat bolt

1slo5.0 · March 4th, 2008, 06:17 PM

To small of power cables or bad connections.

terribleonexx88 · March 4th, 2008, 06:37 PM

what gauge wire did you use.

1slo5.0 · March 4th, 2008, 07:30 PM

Originally Posted by terribleonexx88

what gauge wire did you use.

I always use 00 welding cable.

**Chris** · March 4th, 2008, 07:58 PM

Did you clean the grind/clean the paint off from the sheetmetal area that you grounded to?

March 3rd, 2008, 01:43 PM	#1
onehot351 Newbie Join Date: Aug 2007 Posts: 24 iTrader: 0 reviews	battery in trunk, crappy start i put the battery in the trunk and ran 1 power wire up to the sil, i self tapped the ground in the trunk,, just to the sheet metal, now when i start it, it takes forever, and its not charging the battery now, im confused.

March 3rd, 2008, 03:35 PM	#2
ThrashN Regular 91 LX 5.0 11.87 Join Date: Jul 2007 Location: Waynesboro, PA Posts: 99 iTrader: 0 reviews	I have mine in the back and have no problems. I grounded to the quad shock bolt hole __________________ 11.87 Penn Mustangs

March 3rd, 2008, 04:57 PM	#5
stangfreak Banned MEMBER #334 Join Date: Feb 2006 Location: Wyandotte County Posts: 1,633 iTrader: 0 reviews	i fought a ground problem and ended up running it all the way back up to the freakin' block! __________________ [SIGPIC][/SIGPIC] [SIZE="4"]"This just in....14.79 @ 92.15 is not fast"[/SIZE]

March 3rd, 2008, 05:25 PM	#6
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,737 iTrader: 0 reviews	Put the battery back where is belongs I moved my battery to the passenger side rather than relocate it to the trunk for this very reason (I had to move the battery to fit my procharger). __________________ 88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it

March 4th, 2008, 04:28 PM	#10
Squints 2008 Hammock Rodeo Champ 2003 F-150 Lariat FX4 Supercab Join Date: Dec 2007 Location: VB,VA Posts: 1,236 iTrader: 0 reviews	another good grounding point in any car is the seats. take one of the bolts loose from the frame and ground it there. even in a fiberglass vette. best place for it IMO. __________________ i have no mustang. so don't listen to anything i say.

March 3rd, 2008, 03:38 PM	#3
ThreeHonks302 Regular Trans Am WS6 Join Date: Jan 2008 Location: Michigan Posts: 288 iTrader: 0 reviews	ur ground is probably not efficient enought... make sure it is grounded to a bare piece of un painted metal. The frame is best and it shouldnt be a problem to run it down there... there should be a rubber grommet under the spare tire that will let you run the ground right under the car, without having to drill a hole

March 3rd, 2008, 04:43 PM	#4
baine21225 MM Fanatic Join Date: Jun 2007 Location: Baltimore, MD Posts: 4,349 iTrader: 1 reviews	i have my battery in the trunk, i'll try and get some pics today, but yea, a sheet metal ground i dont think is going to cut it

March 3rd, 2008, 05:27 PM	#7
ThreeHonks302 Regular Trans Am WS6 Join Date: Jan 2008 Location: Michigan Posts: 288 iTrader: 0 reviews	yea thats always an option too... lol but i know thats not what u wanna do, obviously. i just kept mine under the hood as i realized that i didnt want to create any problems that i dont have to deal with now

March 3rd, 2008, 06:51 PM	#8
86_Notch Hardcore Enthusiast 1986 lx notch 9.98 @ 135 Join Date: Mar 2007 Location: Delaware Posts: 1,522 iTrader: 0 reviews	don't forget to run a ground strap from the engine block to the frame

March 4th, 2008, 05:59 PM	#11
ThreeHonks302 Regular Trans Am WS6 Join Date: Jan 2008 Location: Michigan Posts: 288 iTrader: 0 reviews	+1 ive heard many people relocating their battery successfully when they attach the ground to the seat bolt

March 4th, 2008, 06:17 PM	#12
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	To small of power cables or bad connections. __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

March 4th, 2008, 06:37 PM	#13
terribleonexx88 Enthusiast Join Date: Oct 2006 Location: new england Posts: 822 iTrader: 0 reviews	what gauge wire did you use. __________________ 85 svo. work in progress

March 4th, 2008, 07:58 PM	#15
Chris Regular 1989 LX Coupe Join Date: Oct 2007 Location: St. Pete, Fl Posts: 377 iTrader: 0 reviews	Did you clean the grind/clean the paint off from the sheetmetal area that you grounded to? __________________ 7.87 @ 93 mph http://www.youtube.com/watch?v=ZwEEQUYY8gA

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