AEM 30-2056 Universal 12 Position Trim Pot User Manual
Aem electronics warranty
 
 
ADVANCED ENGINE MANAGEMENT INC.
This product is legal in California for racing vehicles only and should never be used on public highways.
Advanced Engine Management, 2205 126
th
Street Unit A Hawthorne, CA. 90250, Phone: (310) 484-2322 Fax: (310) 484-0152
Instruction Part Number: 10-2056,
© 2011 Advanced Engine Management, Inc.
12 POSITION TRIM POT
30-2056
 
The AEM 30-2056 Trim Pot is a 330 degree, 12 position potentiometer designed for use as a driver input for engine 
management systems. 
 
The 30-2056 Kit contains: 
12 Position Trim Pot 
Trim Pot Knob Decals 
Position Rotation Signal
Out
0 / -5
0º (Full CCW)
4.90v - 5.00v
1 / -4
30º
4.45v - 4.65v
2 / -3
60º
3.99v - 4.19v
3 / -2
90º
3.54v - 3.74v
4 / -1
120º
3.08v - 3.28v
5 / 0
150º
2.63v - 2.83v
6 / 1
180º
2.17v - 2.37v
7 / 2
210º
1.72v - 1.92v
8 / 3
240º
1.26v - 1.46v
9 / 4
270º
0.81v - 1.01v
10 / 5
300º
0.35v - 0.55v
11 / 6
330º (Full CW)
0.00v – 0.10v
Trim Pot Position Decals
Specifications: 
14.3KΩ Total Resistance 
10,000 Cycles Minimum 
 
Mounting: 
3/8” Mounting hole required 
1/2” Wrench used to tighten the Jam nut 
1/16” Allen required to tighten the Knob’s set screw 
 
Electrical Connection: 
Red Wire - 5 Volts In 
White Wire – Signal Out 
Black Wire – Ground In 
 
 
 
AEM Electronics Warranty
 
Advanced Engine Management Inc. warrants to the consumer that all AEM Electronics products will be free from defects 
in material and workmanship for a period of twelve months from date of the original purchase. Products that fail within this 
12-month warranty period will be repaired or replaced when determined by AEM that the product failed due to defects in 
material or workmanship. This warranty is limited to the repair or replacement of the AEM part. In no event shall this 
warranty exceed the original purchase price of the AEM part nor shall AEM be responsible for special, incidental or 
consequential damages or cost incurred due to the failure of this product. Warranty claims to AEM must be transportation 
prepaid and accompanied with dated proof of purchase. This warranty applies only to the original purchaser of product 
and is non-transferable. All implied warranties shall be limited in duration to the said 12-month warranty period. Improper 
use or installation, accident, abuse, unauthorized repairs or alterations voids this warranty. AEM disclaims any liability for 
consequential damages due to breach of any written or implied warranty on all products manufactured by AEM. Warranty 
returns will only be accepted by AEM when accompanied by a valid Return Merchandise Authorization (RMA) number. 
Product must be received by AEM within 30 days of the date the RMA is issued. 
 
Please note that before AEM can issue an RMA for any electronic product, it is first necessary for the installer or end user 
to contact the tech line at 1-800-423-0046 to discuss the problem. Most issues can be resolved over the phone. Under 
no circumstances should a system be returned or a RMA requested before the above process transpires.
 
AEM will not be responsible for electronic products that are installed incorrectly, installed in a non approved application, 
misused, or tampered with. 
 
Any AEM electronics product can be returned for repair if it is out of the warranty period. There is a minimum charge of 
$50.00 for inspection and diagnosis of AEM electronic parts. Parts used in the repair of AEM electronic components will 
be extra. AEM will provide an estimate of repairs and receive written or electronic authorization before repairs are made to 
the product.