Tech Articles (HEI Blog)
Converting 12V Negative Ground Mechanical Regulator to Electronic
This video demonstrates how to convert a mechanical voltage regulator to an electronic one. The video shows the process of disassembling the old regulator, cleaning it, and installing the new...
Generating Energy with a Hit and Miss Engine
Larry is using a John Deere model E hit and miss engine to demonstrate horsepower and watts using an alternator that will shut this 1 1/2 hp engine down. The math for Watts / horsepower is basically...
Blown Alternator Fuse On A Sprinter Van
While spending several hours troubleshooting a problem with dead batteries in a Sprinter Van, Larry Hagemeister found a problem with an “nearly” non serviceable blown 300A alternator fuse. When...
Starters: Don’t Neglect the Brake System
When rebuilding starters, the brake system is one of the key elements to making the unit last. However, it is also one of the most neglected parts of the rebuilt starter. I have talked to Rebuilders...
CNC DC TABLE MOTOR | CNC DC MOTOR REPAIR
Today I wanted to share something new that came across our bench. One of our customers brought in a DC motor from a very old CNC machine. Many times keeping these machines running is critical in...
Alternators Are Not Battery Chargers
Look at this burned up Stator from an Alternator that nearly caught on fire due do low or bad batteries. Alternators are NOT Battery Chargers!! CLICK HERE TO PRINT OUR PDF - BATTERY CHARGING RATES...
Battery Cables
In the auto electric business there is always a lot of questions about battery cables. What size to use, should they be soldered, what’s the difference between welding cable and battery cable, and...
Battery Indicator Light?
Being in the auto electric business for 30 plus years, I have a lot of customers who get confused when it comes to the engine indicators on the dash of their cars and trucks. When I say confused, I...
Battery Maintainer
I have always knew that batteries needed to be maintained. I have preached this for years. Now it’s getting much easier than before because of the battery maintainers available. 1 amp or trickle...
Shift Fork Problem!
Rebuilders need to be aware of a problem in the industry, with 40/50 shift forks. Chris at EMS, posted a problem on the ERA website, about the 50 MT shift forks. He mentioned that they were hitting...
PORTABLE BATTERY CHARGER – WIRING DIAGRAM
Download our free automotive portable battery charger wiring diagram (gas powered and designed for charging your car battery). This diagram is for wiring your own, gas powered, stand alone, 12V...
One Wire Alternator Low Turn On
Larry Hagemeister is going to show you a little about the one wire alternator they build for vehicles like the 1968 Chevell and 64-72 GM0:00 - [Music] 0:06 - Larry down at the shop today we've got...
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