Archive for March, 2010

Replace Markers / Clearance Lights

by on Mar.10, 2010, under Uncategorized

Why did we decide to replace the Marker and Clearance lights?  Well just look at these photos.  The OEM lights just gave out after 39 years of faithful service.

The old lights used incandesent lamps and constantly required maintinance and repair to keep them functioning correctly.

The foam gaskets have all dried out and cracked, many of them just crumble and disentergrate when touched.  The lamp sockets are worn out and the springs and contacts just don’t work anymore.  The metal bases have started to rust and the paint is flaking off.

The lense on the OEM lights were so faded, cracked and broken that the lights barely worked.

I do not know about where you live but here in Texas one sure fire way to get stopped and hassled by the cops is to have a mounted light not functioning.  If there is a light out, you will get stopped or at the least you give law enforcement probable cause to stop you.

With all the problems of the OEM fixtures it was decided to go with new LED lights.  LED lights have an average life of between 50,000 and 100,000 hours before failure – this was a very attractive trate to us.  LED lights generally will run even if one of the LED’s is non-functioning.  LED lights use far less current than incandescent – which is a very important feature on “electrically starved” vehicles.  LEDs are generally weather resistant.

Repair and replacement of OEM fixtures had too many negatives and LED lighting seemed to have all the positives so we opted to go with LED lights on the old bus.

Leave a Comment more... Side Markers – Review

by on Mar.08, 2010, under Uncategorized


Another chapter in our L.E.D. bus conversion was to change over the marker and clearance lights on the old MASH Bus.   We needed to replace 7 amber and 5 red light assemblies.  The original light assemblies were wedge shaped

We elected to purchase all new marker/clearance lights from  They had a fair price and offered replacement light assemblies that were as close to a direct bolt in replacement as anyone could offer.

MBC Series Cab Top
Marker/Clearance Lights
Clearance Marker Light with 24 Super RED or AMBER LEDs
measures 1.25h x 2.5w x 3.375 inches
Grounded mounting hole and 5″ long positive wire
Current Draw: 0.150Amp (150ma)@13.5 VDC – PC RATED
DOT SAE Approved

Price: $9.95 each

Link to

We ordered online and paid with a debit card.  The lights were shipped USPS direct to us.  Upon initial examination the lights appeared to be fine, a bit lighter weight than the original assemblies but that is due to the fact that the original lights had a steel base plate and the new lights were all plastic.

Upon further examination one of the amber lights was damaged.  It appeared the light was damaged in manufacturing and somehow got through the QC before shipment.  One phone call and I had a new light shipped to me next day no hassle no muss no fuss, SuperBrightLEDs just shipped without issue.  SuperBrightLEDs customer service was GREAT.  The only requirment was to put the damaged light into a supplied envelope that was postage paid and send it back.  The best thing was SuperBrightLEDs shipped me the new replacement BEFORE I had to return the damaged light.  By not waiting to ship me the new light it allowed me to move forward with the project with little to no down time.

Each light came with a die cut foam pad and mounting screws.  The light assemblies had two mounting holes each with brass grommets.  Only one of the mounting hole grommets was grounded to the light assembly.  The positive lead of the light came directly out of the back of the unit.  The positve leads were all ready stripped on the end for connection, this was a really nice feature and made installation a snap.

Wiring was easy just clip off the old light assembly near the base of the light and use a butt connector to hook up the wiring harness lead to the positive lead on the new SuperBrightLED clearance light.  They only issue was we had to make sure we did not let go of the wiring harness lead as it might fall back into the bus body.  Twice we let the wiring harness lead fall back into the bus body and we had to use a coat hanger to fish out the lead.

After mounting the new lights came the moment of truth.  Were these SuperBrightLED marker lights super bright?  Well – in short – YES, they were very bright.  The 24 LED’s are placed in such a manner that they really make these light shine.  The marker / clearance lights are much brighter and the colors are more rich than the OEM equipment we discarded.

In conclusion, the lights are bright and we are very pleased with the lights but the customer service of SuperBrightLEDs has won us over as a customer because they were so easy to work with.  We hope in the future to be able to review more of their products here.

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