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#2728167 - 08/28/12 08:15 PM Loose positive battery terminal cable
Chuck1986 Offline


Registered: 07/16/05
Posts: 420
Loc: Scottsdale, AZ
My positive battery terminal cable has been loose even though I have tightened the bolts the best I can. This insecure connection has caused occasional issues with providing power to start my car. Are there any suggestions to get a tighter connection without buying a whole new cable? (It is a dealer-only item and costs $250).

I was thinking about putting aluminum foil around the terminal to make the connection tighter but I imagine this is a horrible conductor and will cause more issues than it will solve.


Edited by Chuck1986 (08/28/12 08:17 PM)
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#2728174 - 08/28/12 08:25 PM Re: Loose positive battery terminal cable [Re: Chuck1986]
JHZR2 Offline



Registered: 12/14/02
Posts: 38387
Loc: New Jersey
If I was trying something like that, it would be copper sheet formed to fit.

They do make replacement terminals if you have cable slack.

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#2728177 - 08/28/12 08:26 PM Re: Loose positive battery terminal cable [Re: Chuck1986]
GumbyJarvis Offline


Registered: 08/23/11
Posts: 1698
Loc: Killeen, TX
can you not cut the wire end and buy a new terminal clamp?

my Ex's focus was one of those clamp+wire in one deals with a "Permanent clamp"

well in florida, clamps go bad

her uncle and I just cut the wire instead of buying a 30$ wiring set, and slapped on a new clamp Autocraft from AAP,

http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/product_top-post-battery-terminals-autocraft_6280781-p?navigationPath=L1*14920%7CL2*15001

with the 2 nuts on top, multiple wires arent a problem, she had 4 wires, 2 were the main, one was lights, one was radio i guess, anyway the 2 main were mounted normal, the 2 smaller ones were clamped with electrical hooks (round thingy for screwing down ground wires) and mounted to the nuts on top.


If you can buy the marine ones if theyll fit or the rust/corrosion ones, they last longer and are better built.

I use easy access marine ones that have a lever on them so theyre tool free.
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#2728184 - 08/28/12 08:31 PM Re: Loose positive battery terminal cable [Re: Chuck1986]
abycat Offline


Registered: 12/06/10
Posts: 1993
Loc: grande prairie AB
Actually aluminum is a great conductor. Go to a parts store and get lead post shims. Done!
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#2728188 - 08/28/12 08:37 PM Re: Loose positive battery terminal cable [Re: Chuck1986]
GumbyJarvis Offline


Registered: 08/23/11
Posts: 1698
Loc: Killeen, TX
IMHO i would risk my safety on Aluminum foil.

Keep the foil in the kitchen, keep the tools in the garage.
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#2728197 - 08/28/12 08:43 PM Re: Loose positive battery terminal cable [Re: Chuck1986]
Chris142 Offline


Registered: 06/05/03
Posts: 14093
Loc: apple valley, ca
Bend a penny around the terminal for a shim or do the old Sheetmetal screw trick.
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#2728207 - 08/28/12 08:51 PM Re: Loose positive battery terminal cable [Re: GumbyJarvis]
djb Offline


Registered: 01/16/06
Posts: 629
Loc: Maryland
Originally Posted By: GumbyJarvis
IMHO i would risk my safety on Aluminum foil.

Keep the foil in the kitchen, keep the tools in the garage.


Keep the foil for a hat that blocks the mind control rays, and use a metal that won't have a problem with oxidation and melting.

Is this a bolt tightened clamp around a projecting post, or a screw holding a ring terminal onto a side terminal battery?

Is there a single thick cable coming out of the terminal, or a few additional wires?

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#2728215 - 08/28/12 08:55 PM Re: Loose positive battery terminal cable [Re: Chuck1986]
vssjim Offline


Registered: 10/05/11
Posts: 396
Loc: McLean, Va.
we cut off the cable end and put on a copper cable lug with an eyelet that fits in to a marine battery cable end the Standard motor products part number for the terminal is BP22U the cable lugs are in the catalog for wire and cable from Standard as well.

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#2728224 - 08/28/12 09:04 PM Re: Loose positive battery terminal cable [Re: Chuck1986]
Errtt Offline


Registered: 11/14/10
Posts: 2422
Loc: California
In a pinch, I've cut a sheet from an aluminum can, wrapped it around a post, melted fishing sinkers and poured to the level of the post. Have the aluminum a tad loose around the post to help make it's diameter a little bigger.
No time - I've wrapped a few turns of thin solder around the post squeezed it a bit with pliers.

add - oh yeah, the old penny and nail trick in a pinch too.


Edited by Errtt (08/28/12 09:05 PM)

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#2728228 - 08/28/12 09:07 PM Re: Loose positive battery terminal cable [Re: Chuck1986]
yonyon Offline


Registered: 03/06/12
Posts: 3492
Loc: NJ, USA
Loosen the clamp as far as possible and slip in a shim. Use something shaped like a nail, but not a nail. Use something made of glass, ceramic, or lead: whatever junk you can find. Clamp it down tight and call it good.

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#2728233 - 08/28/12 09:13 PM Re: Loose positive battery terminal cable [Re: Errtt]
yonyon Offline


Registered: 03/06/12
Posts: 3492
Loc: NJ, USA
Originally Posted By: Errtt

add - oh yeah, the old penny and nail trick in a pinch too.


The penny may work for a while but will grow green fur that has high resistance.

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#2728249 - 08/28/12 09:29 PM Re: Loose positive battery terminal cable [Re: Chuck1986]
SIXSPEED Offline


Registered: 08/12/10
Posts: 523
Loc: Arizona
Do you have one of those felt washers under the terminal? Sometimes they raise the terminal enough so they can't clamp the tapered post securely.

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#2728281 - 08/28/12 09:56 PM Re: Loose positive battery terminal cable [Re: Errtt]
johnachak Offline


Registered: 12/08/10
Posts: 1612
Loc: L.I. NY USA
What a waste of fine fishing tackle....
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#2728299 - 08/28/12 10:12 PM Re: Loose positive battery terminal cable [Re: Chuck1986]
LargeCarManX2 Offline


Registered: 09/23/06
Posts: 2279
Loc: Up here in the NorthWest
lead shims...AutoZone

Lynx/Battery post shim


Part Number: 07769
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#2728304 - 08/28/12 10:16 PM Re: Loose positive battery terminal cable [Re: Chuck1986]
Carbon Offline


Registered: 09/04/09
Posts: 515
Loc: near Chicago
Is this one of the big tapered lead battery posts? It may be if you spread the terminal clamp apart, you can push the terminal farther down onto the tapered post before tightening.

For a replacement terminal, put battery terminal into the search box of an auto parts place. Here is such a search: http://www.autozone.com/autozone/accesso...omString=search

Note that the results are on more than one page.

Ooooh! Ooooh! look at this one: http://www.autozone.com/autozone/accesso...ier=257147_0_0_

http://contentinfo.autozone.com/znetcs/product-info/en/US/epm/07769/image/2/


Edited by Carbon (08/28/12 10:18 PM)

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