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Roadmaster Tow Bars

Roadmaster Hy-Power Diode 25 Pack


hy-power multi pack
790-25 Hy-Power Diode 25 pack


Roadmaster Hy-Power Diode 25 Pack

Diodes are used to tie into the towed vehicles brake light, running light and turn signal wiring; and connect it to the motorhome. diodes permit electrical current to flow in only one direction - from the motorhome to the towed vehicles taillights - preventing electrical feedback and the damage it can causes to the towed vehicles dashboard electronics.

If you are using a diode, why not the best!

Roadmaster's Hy-Power Diodes have a heavy-duty, anodized aluminum heat sink, and each diode is protected against the elements. All components are housed inside an epoxy-sealed, anodized aluminum case.

Four-pack required for most vehicles. Includes a detailed wiring diagram.

Single Hy-Power diode
2-Pack Hy-Power diodes
3-Pack Hy-Power diodes
4-Pack Hy-Power diodes
25-pack diodes (bulk pack)

690Single Park Light Diode

Park Light Diode
Problem: Electrical damage can occur to the towed vehicle if its headlights are turned on while still connected to the motorhome.
Solution: Use a Park Light Diode to stop any interaction between the two park light systems, preventing electrical feedback and electrical damage.

Roadmaster Hy-Power Diode Kits - How to Order:

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Please order online below. For questions or phone ordering, our telephone lines ( Toll Free 1-800-755-4775 ) are Open 7am to 7:30pm Mon-Fri, 9am-4pm Sat, (Central Time) Sale Prices Shown are Valid Until 04/28/17.

Complete Parts Catalog Tow Bars, Dollys, Brakes Index Shipping Info Return Policy About PPL
Stock # Item Description Price Qty Order
Items Presented Above
38485 ROADMASTER 25-PACK HY-POWER DIODES...Regularly $407.49  On Sale for Only $379.61
Manufacturer #s: 790-25, 17-0374
Links to Related Items( Click on Description for Pictures & More Info )
38188 ROADMASTER SINGLE HY-POWER DIODE...Regularly $22.15  On Sale for Only $15.82
Manufacturer #s: 790, 17-0371
38189 ROADMASTER 2-PACK HY-POWER DIODES...Regularly $33.69  On Sale for Only $23.29
Manufacturer #s: 792, 17-0370
793 ROADMASTER 3-PACK HY-POWER DIODES...Regularly $54.39  On Sale for Only $30.40
Manufacturer #s: 17-0372, 793
39028 ROADMASTER 4-PACK HY-POWER DIODES...Regularly $66.92  On Sale for Only $55.77
Manufacturer #s: 794, 17-0373
38891 ROADMASTER SINGLE PARK LIGHT DIODE...Regularly $17.89  On Sale for Only $12.41
Manufacturer #s: 690, 17-0369


PPL's RV Parts Superstore stocks popular products for immediate delivery. Also, we can quickly deliver almost any item from our warehouses located throughout the United States. We will work hard to help you obtain the products and parts that you need. Our Sale Prices are limited to in-stock quantities for some items.

Click on this link to return to plus an index of links to many additional Tow Bars, Tow Dollys, BrakeBuddy & Dinghy Braking. PPL's RV Parts Superstore has 1000's of RV Parts and Accessories for sale.  If you do not find the item you are looking for, please call us at 1-800-755-4775 .

9 steps booklet Selling Your RV?  Use the button to the left to request the free no-obligation booklet "9 Steps to Selling Your RV....Avoid Common Mistakes". These tips and "no-nos" could save you 1000's  of dollars and help you avoid common mistakes in selling your RV.

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Telephone Order Lines are open from 7am to 7:30pm Mon-Fri, 9am to 4pm Sat, Central Time
See Below for Hours of All other Services

PPL's RV Parts Superstore - Houston
10777 Southwest Freeway
Houston, Texas 77074

PPL's RV Parts Superstore - Dallas/Ft. Worth
2408 N Main St.
Cleburne, Texas 76033

Hours: 8:30am-5:30pm CST Mon-Fri
9:00am-4:00pm CST Saturday

Toll Free: 1-800-755-4775

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