Trailer Tester Battery Replacement for Part Number 8010

Technical Bulletin

SUBJECT/Summary: Replacing the battery in trailer tester part number 8010

PROBLEM: The battery in tester number 8010 has gone out.

SOLUTION: To replace the battery in the 8010 Trailer Tester, using a Phillips screwdriver, remove the four Phillips head screws in each of the four corners of the back of the tester (See Fig. 1) and remove the black cover from the rear of the tester.

Disconnect the black wire from the negative terminal of the battery and then the red wire from the positive terminal. Cut the wire tie holding the battery and remove the battery from the tester. (See Fig. 2) Replace the 14 inch wire tie and install the new battery. Reinstall the red wire to the positive terminal and the black wire to the negative terminal. Test the operation of the tester. Secure the battery with the wire tie and reinstall the rear cover and tighten the four screws.

NOTE: Charge the battery overnight before use. If the tester is not used for an extended period, leave tester on the charger or disconnect battery leads.

Screw locations on back of trailer tester

Product Number: 8010

Manufacturer: Tekonsha

Bulletin Date: 5-11-2011

Bulletin Number: TB11-05

Jaf545

1/28/2022

What replacement battery is needed for the Tekonsha 8010?

Les D.

1/31/2022

@Jaf545 There is not a replacement battery specified. You may be able to order a directly from Tekonsha. I have placed a link for the owners guide below.

Helpful Links

instructions.aspx?pn=8010

Steve V.

1/23/2022

our trailer tester-8010 cover door snaped would like to purchase a new spring loaded cover. If you could give me your part number so I can order one. Thank you Steve

Les D.

1/24/2022

@SteveV unfortunately, that is not an available replacement part. You might contact the manufacturer about factory repair.