1993 Hummer H1 Electrical Parts

This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator. Read more

12 Alternator / Generator parts are listed for the 1993 Hummer H1, from REMY, TERREPOWER, ACDELCO and 3 other brands. ACDELCO 3351015 carries the "Popular" badge.

In the New grade, ACDELCO, WAI GLOBAL, PURE ENERGY and 2 other brands supply 5 parts: brand-new units rather than rebuilt ones. A representative part number is ACDELCO 3351015.

In the Remanufactured grade, REMY, TERREPOWER, ACDELCO and 2 other brands supply 7 parts: factory-rebuilt units with new wear components. A representative part number is ACDELCO 3342407A.

This table covers the bearings in the alternator housing. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

4 Alternator / Generator End Bearing parts for the 1993 Hummer H1 come from 4 brands — WJB / INMOTION PARTS, BCA, NATIONAL and 1 other brand.

The Economy section lists 1 option from WJB / INMOTION PARTS — the catalog's value-priced group. WJB / INMOTION PARTS RB60002RS is listed in this group.

In the Standard Replacement grade, BCA and NATIONAL supply 2 parts: built to original-equipment specification. A representative part number is BCA NB100CC4.

1 further part sits outside the graded sections, with the same engine-level match.

Part numbers include WJB / INMOTION PARTS RB60002RS, BCA NB100CC4 and NATIONAL 100CC4, among others listed above.

This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery. Read more

4 Battery parts for the 1993 Hummer H1 come from 4 brands — DEKA, FVP, P1MAX and 1 other brand.

In the AGM (Extended Life) grade, DEKA, FVP and P1MAX supply 3 parts: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is DEKA 9A78.

In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 1 part: grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. A representative part number is FULLRIVER FT82578.

This group includes DEKA 9A78, FVP 78AGMG and P1MAX PMAGM78 and the remaining parts above.

This table covers the positive and ground cables that run from the battery. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early. Read more

5 Battery Cable parts are listed for the 1993 Hummer H1, from DEKA and UNITED MOTOR PRODUCTS. DEKA 00303 carries the "Popular" badge.

Listed part numbers: DEKA 00303, DEKA 00876 and DEKA 00309, plus the other parts above.

This table covers the terminals and clamps that connect cables to the battery posts. Read more

This group shows a single part: DEKA 00351.

This table covers the resettable circuit breakers in this vehicle's electrical system. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS BR34.

This table covers the replacement fuses for this vehicle's fuse boxes. Typical signs include one circuit dead while its neighbor still works, or a fuse that blows again as soon as you replace it. Match amperage and fuse type. A repeat blow means a short — find it before the next fuse. Read more

18 Fuse parts for the 1993 Hummer H1 come from 2 brands — BUSSMANN and LITTELFUSE. The "Popular" part is BUSSMANN ATM10.

In the 10 Amp grade, BUSSMANN and LITTELFUSE supply 3 parts: grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM10.

The 15 Amp section lists 2 options from BUSSMANN — grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM15 is listed in this group.

The 20 Amp section lists 3 options from BUSSMANN — grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM20 is listed in this group.

In the 25 Amp grade, BUSSMANN supplies 2 parts: grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM25.

In the 30 Amp grade, BUSSMANN supplies 4 parts: grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM30.

The 40 Amp section lists 2 options from BUSSMANN — grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. BUSSMANN MAX40 is listed in this group.

In the 5 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "5 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM5.

The 7.5 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "7.5 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM712 is listed in this group.

This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

3 Starter Motor parts are listed for the 1993 Hummer H1, from FVP, REMY and TERREPOWER.

Part numbers include FVP 6608S, REMY 26041 and TERREPOWER 6608.