6 5 Diesel Lift Pump Relay Mod

2 upgrade the lift pump lp system.

6 5 diesel lift pump relay mod. Also turbo charged h1 hummers thru 2001. They are also used a lot in veggie oil. Sep 1 ignoring the safety aspects of this. If that is true you have water in your fuel use a gas station with a high usage of diesel or better yet a truck.

This is a great pump for the 6 5 diesel with a db2 mechanical injection pump. Installing a new stiffer spring in the walbro frb5 fuel pump or lift pump. It takes the heavy current load off your stock system and runs full battery voltage to the lp. If the fuel relay drove the lift pump during normal operation.

Vin codes s and f. This is a plug play lift pump relay harness for all 95 02 6 5 diesel pick up truck and suburban applications. It turns into a cobbled up mess ours is truly a bolt on it comes with the right fittings a mount that bolts directly to the existing holes and the correct plug its 100 gph 9 to 13 psi our. New ffm with ftb mod 6 5 diesel duration.

That allows your lp to opperate at its full potential and greatly reduce the need to change oil pressure sensor ops and or lp. This switch fits all 6 5 engines all applications from 92 00 on c k pick ups g p vans suburbans and cab chassis combinations. Sep 21 circuit diagrams from am general shop manual fuel lift pump i keep a spare pump and a fuel filter in my truck at all times. Here is a list to get you started.

Looking at the wiring diagram if this were true there would be no reason for the oil pressure switch shows that the oil pressure switch is the prime source once the engine oil pressure is above 28 kpa. On the next page i provide a wiring diagram to add a relay and also add fuel priming during the gp wait to start wts time like obd2 trucks have for easier starting. This will dramatically help performance and support your engine for the following. 3 oil pressure switch sender ops relay modification to take the load of the lift pump lp off of the ops because it burns the contacts within the ops and causes the lp to stop working during engine operation.

We are asked everyday what should i do to my 6 5 diesel truck. From ssdiesel supply tm the 6 5 td specialists a brand new hd gm transfer pump oil pressure switch sending unit aka. Finally a reliable replacement upgrade for the pathetic stock lift pumps on 6 5l turbo diesels. Any ac delco outlet can supply one for any gmc truck.

The factor discription is very poorly written leading one to beleave that the fuel pump relay runs the lift pump most of the time. 8 11 93 chevy diesel truck. Replacing the lift pump on a 6 5 liter turbo diesel and 95 chevy suburban 2500 pmd.