by Larry Hagemeister | Nov 5, 2025 | Articles, Videos
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 electronic components. The video also shows how to test the converted...
by Larry Hagemeister | Nov 5, 2025 | Articles, Videos
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 1 hp = 746 watts so with this engine it should generate 1119 watts...
by Larry Hagemeister | Nov 5, 2025 | Articles
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 Larry comes across tough issues such as this, he likes to share them with...
by Larry Hagemeister | Nov 5, 2025 | Articles
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 who complained about the quality of aftermarket brushes, and say they...
by Larry Hagemeister | Nov 5, 2025 | Articles, Videos
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 keeping the business doors open. As you know finding parts for these old...
by Larry Hagemeister | Nov 5, 2025 | Articles, Videos
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 AND TIMES Full Transcript (English) 0:02 – [Music] 0:07...
by Larry Hagemeister | Nov 5, 2025 | Articles
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 the list goes on. First of all, see a battery wire gauge chart to...
by Larry Hagemeister | Nov 5, 2025 | Articles
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 mean this, “Many vehicles have a little picture of a battery that must...
by Larry Hagemeister | Nov 5, 2025 | Articles
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 chargers will destroy a battery if left unattended. Quality battery...
by Larry Hagemeister | Nov 5, 2025 | Articles
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 the center housing because the bend is wrong on the shift fork. EMS...
by Larry Hagemeister | Nov 4, 2025 | Articles
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 battery charger / booster. Exceptionally capable of charging your car,...
by Larry Hagemeister | Nov 4, 2025 | Articles, Videos
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 GM Full Transcript (English) 0:00 – [Music] 0:06 – Larry down at the shop today we’ve got an alternator here...
