1993 Buick Century Owner's Manual - Page 180

Don't tap into your vehicle's brake system if the trailer's brake system will use more than 0.02 cubic inch (0.3 cc) of fluid from your vehicle's master cylinder. If it does, both braking systems won't work well. You could even lose your brakes. Safety Chains Will the trailer brake parts take 3,000 psi (20 650 kPa) You should always attach chains between your vehicle of pressure? If not, the trailer brake system must not be and your trailer. Cross thesafety chains under the tongue used with your vehicle. of the trailerso that the tongue will not drop to the road if it becomes separated from the hitch. Instructions about If everything checks out this far, then make the brake fluid tap at the upper rear master cylinder port. But safety chains may be provided by the hikh manufacturer don't use copper tubing forthis. If you do, it will bend or by the trailer manufacturer. Follow the manufacturer's steel brake tubing. recommendation for attaching safety chains. Always leave and finally break off. Use just enough slackso you can turn with your rig. And, never allow safety chains to drag on the ground. hitch. If you don't seal them, deadly carbon monoxide (CO) from your .exhaust can get into your vehicle (see "Carbon Monoxide" in the Index). Dr and water can, it too. The bumpers on your vehicle are not intended for hitches. Do not attach rental hitches or other bumpertype hitches to them. Use onlya frame-mounted hitch that does not attach to the bumper. M e r Brakes Does your trailer haveits own brakes? Be sure to read and follow the instructions for the trailer brakes you'll so be able to install, adjust and maintain them properly. 178