LT1 to LT4 TMAP Conversion Harness

This harness is intended to convert from the LT1 style 3-wire MAP sensor to the LT4 4-wire TMAP. The harness connects to the MAF and breaks out the IAT wire in addition to adapting the MAP sensor connection. Combine this with the DSX Evap Extension Harness for a complete plug and play LT4 blower conversion.

The LT4 MAP sensor can be included for $40.

DSX manufactured components are covered against defects in materials and workmanship for the life of the product. 

DSX Tuning shipping & returns

• Shipping: in-stock orders placed before 3pm CST usually ship the same day. Back-ordered items ship as soon as they are available.
• Returns: unopened parts within 30 days of receipt, with a 20% restocking fee once the order has shipped. Original shipping is not refunded and the customer pays return shipping. "Unopened" means the original packaging is undisturbed and the part was never installed.
• Cancellations: orders not yet shipped (back-orders included) carry a 5% cancellation fee.
• Not returnable: custom-made or customized items.
• Warranty: DSX-made parts are covered against manufacturing and assembly defects for life for the original buyer. Installation damage, modified parts, cut or rubbed harnesses and fuel lines, and water damage to electronics are not covered.

To start a return or ask a question, contact us with your order number.